Exhibit 99.3

                             LIGHTSPACE CORPORATION

                          REGISTRATION RIGHTS AGREEMENT

     REGISTRATION  RIGHTS  AGREEMENT  (this  "Agreement")  is entered into as of
April __, 2007 by and among Lightspace Corporation,  a Delaware corporation (the
"Company") and Illumination Design Works, Inc., a Delaware corporation ("IDW").

     WHEREAS,  the Company and IDW desire to enter into that  certain  Agreement
for Purchase and Sale of Assets (the "Asset  Purchase  Agreement"),  whereby the
Company  will  purchase  certain  assets  of IDW in  exchange  for  cash and the
issuance of a convertible note (the "Note");

     WHEREAS, the terms of the Asset Purchase Agreement provide that it shall be
a condition  precedent  to the closing of the  transactions  thereunder  for the
Company and IDW to execute and deliver this Agreement; and

     WHEREAS,  capitalized  terms used  herein  and not  otherwise  defined  are
defined in the Asset Purchase Agreement.

     NOW,  THEREFORE,  in  consideration  of the premises  and mutual  covenants
contained herein, the parties hereto hereby agree as follows:

     1. Definitions. The following terms shall have the meanings provided below:

     "Blue Sky"  shall have the  meaning  assigned  thereto in Section  3(d)(vi)
hereof.

     "Common  Stock"  shall mean the  common  stock,  $.0001  par value,  of the
Company authorized as of the date hereof.

     "Correspondence"  shall have the meaning  assigned  thereto in Section 7(d)
hereof.

     "Exchange Act" shall mean the Securities  Exchange Act of 1934, as amended,
and all of the rules and regulations promulgated thereunder.

     "Holder" shall mean IDW.

     "Other  Registrable  Securities" shall have the meaning assigned thereto in
Section 3(j).

     "Own" shall mean to own beneficially,  as that term is defined in the rules
and regulations of the SEC.

     "QIPO" shall mean a firm commitment  underwritten public offering of shares
of Common Stock with gross proceeds of at least $8 million.

     "Registrable  Shares"  shall mean the shares of Common Stock of the Company
issuable to Holder pursuant to the terms of the Note.




     "Registration"  shall have the  meaning  assigned  thereto in Section  3(a)
hereof.

     "Registration Expenses" shall mean all expenses incurred in connection with
the registration of the Registrable Shares pursuant to this Agreement, including
without limitation all registration and qualification and filing fees,  printing
expenses,  fees and disbursements of counsel for the Company, and the reasonable
fees and disbursements of counsel for the selling Holders.

     "Rule 144" shall mean Rule 144 promulgated under the Securities Act and any
successor or substitute rule, law or provision.

     "SEC" shall mean the Securities and Exchange Commission.

     "Securities Act" shall mean the Securities Act of 1933, as amended, and all
of the rules and regulations promulgated thereunder.

     "Selling  Expenses" shall mean all  underwriting  discounts,  brokerage and
selling  commissions  applicable to the sale of  Registrable  Shares,  including
standard underwriters' cutbacks.

     "Subsequent  Registration  Statements"  shall  have  the  meaning  assigned
thereto in Section 3(k).

     2. Effectiveness. This Agreement shall become effective upon the Closing of
the Asset Purchase Agreement.

     3. Incidental Registration.

     (a) Filing of Registration  Statement.  If the Company at any time proposes
to register any of its Common Stock (a "Registration")  under the Securities Act
(other than pursuant to a QIPO or a  registration  statement on Form S-4 or Form
S-8 or any successor  forms thereto,  in connection with an offer made solely to
existing  securityholders or employees of the Company),  for sale to the public,
it will, on each such occasion, give prompt written notice to all Holders of its
intention  to do so,  which  notice shall be given to the Holder at least thirty
(30)  days  prior to the date that a  registration  statement  relating  to such
registration  is proposed to be filed with the SEC. Upon the written  request of
the Holder to include the Registrable  Shares under such registration  statement
(which  request shall be made within  fifteen (15) days after the receipt of any
such notice and shall specify the Registrable  Shares intended to be disposed of
by Holder),  the Company will use its best efforts to effect the registration of
all  Registrable  Shares that the Company has been so  requested  to register by
Holder;  provided,  however, that if, at any time after giving written notice of
its  intention to register any Common Stock and prior to the  effective  date of
the  registration  statement  filed in connection  with such  registration,  the
Company shall  determine  for any reason not to register such Common Stock,  the
Company may, at its  election,  give  written  notice of such  determination  to
Holder  and,  thereupon,  shall be relieved of its  obligation  to register  any
Registrable Shares of such persons in connection with such registration.

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     (b)  Selection  of  Underwriters.  Notice  of the  Company's  intention  to
register  such Common Stock shall  designate the proposed  underwriters  of such
offering (which shall be one or more underwriting firms of recognized  standing)
and shall contain the Company's  agreement to use its best efforts, if requested
to do so, to arrange for such  underwriters to include in such  underwriting the
Registrable  Shares that the Company has been so requested  to sell  pursuant to
this Section 3, it being understood that the Holder of Registrable  Shares shall
have no  right to  select  different  underwriters  for the  disposition  of the
Registrable Shares.

     (c) Priority on Incidental Registrations. If the managing underwriter shall
advise the Company in writing (with a copy to the Holder of  Registrable  Shares
requesting sale) that, in such  underwriter's  opinion,  the number of shares of
Common Stock  requested to be included in such  Registration  exceeds the number
that can be sold in such offering within a price range acceptable to the Company
(such writing to state the basis of such opinion and the  approximate  number of
shares of Common  Stock  that may be  included  in such  offering  without  such
effect),  the Company  will include in such  Registration,  to the extent of the
number of shares of Common  Stock that the  Company is so advised can be sold in
such offering:

        (i) first,  the shares that the  Company  proposes to issue and sell for
its own account, and

        (ii) second, the Registrable Shares requested to be sold by the Holder.

     Other  Registrable  Securities  of the Company  requested to be included in
such  Registration,  allocated among the holders of the  Registrable  Shares and
Other  Registrable  Securities  pro rata in  accordance  with the amount of such
securities requested to be registered.

     (d)  Registration  Procedures.  The  Company  will use its best  efforts to
effect each  Registration,  and to cooperate with the sale of Registrable Shares
in accordance  with the intended  method of disposition  thereof,  as quickly as
practicable, and the Company will as expeditiously as possible:

        (i)  subject to the proviso to Section  3(a),  prepare and file with the
SEC  the  registration   statement  and  use  its  best  efforts  to  cause  the
Registration  to become  effective;  provided,  however,  that before filing any
registration  statement or prospectus or any amendments or supplements  thereto,
the Company will furnish to the Holder of the Registrable Shares covered by such
registration statement,  their counsel, and the underwriters,  if any, and their
counsel,  successive  drafts of all such documents  proposed to be filed at such
times as will permit a  reasonable  period for the review  thereof;  the Company
will not file any registration  statement or amendment thereto or any prospectus
or any supplement thereto  (including such documents  incorporated by reference)
to which  the  Holder  shall  reasonably  object  based on their  review of such
drafts;

        (ii) subject to the proviso to Section  3(a),  prepare and file with the
SEC such amendments and post-effective  amendments to any registration statement
and any prospectus used in connection therewith as may be necessary to keep such
registration  statement  effective  until the earlier of (i) one hundred  twenty
(120) days following the effective date of such  registration  statement or (ii)
the sale of all  Registrable  Shares  covered  thereby,  and to comply  with the
provisions  of  the  Securities  Act  with  respect  to the  disposition  of all
Registrable  Shares  covered  by such  registration  statement;  and  cause  the
prospectus to be supplemented by any required prospectus  supplement,  and as so
supplemented to be filed pursuant to Rule 424 under the Securities Act;

                                       3



        (iii) furnish to the Holder of the  Registrable  Shares included in such
Registration  and the underwriter or underwriters,  if any,  without charge,  at
least one (1) signed copy of the registration  statement and any  post-effective
amendment thereto, upon request, and such number of conformed copies thereof and
such number of copies of the prospectus  (including each preliminary  prospectus
and each  prospectus  filed  under  Rule 424  under  the  Securities  Act),  any
amendments or supplements  thereto and any documents  incorporated  by reference
therein,  as the  Holder  or  underwriter  may  reasonably  request  in order to
facilitate the  disposition of the  Registrable  Shares being sold by Holder (it
being  understood that the Company consents to the use of the prospectus and any
amendment or supplement  thereto by the Holder of the Registrable Shares covered
by such registration  statement and the underwriter or underwriters,  if any, in
connection with the offering and sale of the  Registrable  Shares covered by the
prospectus or any amendment or supplement thereto);

        (iv)  notify the Holder of the  Registrable  Shares of any stop order or
other order suspending the effectiveness of any registration statement issued or
threatened by the SEC in connection  therewith,  and take all reasonable actions
required  to prevent  the entry of such stop order or to remove it or obtain its
withdrawal at the earliest possible moment if entered;

        (v) if requested by the managing underwriter or underwriters, if any, or
the Holder of the  Registrable  Shares in connection with any sale pursuant to a
registration  statement,  promptly  incorporate  in a prospectus  supplement  or
post-effective  amendment such information  relating to such underwriting as the
managing underwriter or underwriters,  if any, or the Holder reasonably requests
to be  included  therein;  and  make all  required  filings  of such  prospectus
supplement  or  post-effective  amendment  as soon as  practicable  after  being
notified  of  the  matters   incorporated  in  such  prospectus   supplement  or
post-effective amendment;

        (vi) on or  prior  to the  date  on  which a  Registration  is  declared
effective,  use its best efforts to register or qualify,  and cooperate with the
Holder of the Registrable Shares included in such Registration,  the underwriter
or underwriters,  if any, and their counsel, in connection with the registration
or  qualification  of, the Registrable  Shares covered by such  Registration for
offer and sale  under the  securities  or Blue Sky laws of each  state and other
jurisdiction of the United States as Holder or the managing underwriter, if any,
reasonably  requests  in  writing;  use  its  best  efforts  to keep  each  such
registration  or  qualification  effective,  including  through new filings,  or
amendments  or  renewals,  during  the period  such  registration  statement  is
required to be kept effective; and do any and all other acts or things necessary
or  advisable to enable the  disposition  in all such  jurisdictions  reasonably
requested by the Holder of the Registrable  Shares covered by such Registration;
provided, however, that the Company will not be required to qualify generally to
do business in any jurisdiction where it is not then so qualified or to take any
action  which  would  subject  it to  general  service  of  process  in any such
jurisdiction where it is not then so subject;

                                       4



        (vii) in connection with any sale pursuant to a Registration,  cooperate
with the  Holder of the  Registrable  Shares  and the  managing  underwriter  or
underwriters,  if any, to  facilitate  the timely  preparation  and  delivery of
certificates (not bearing any restrictive legends) representing securities to be
sold  under  such  Registration,  and  enable  such  securities  to be  in  such
denominations  and  registered  in such  names as the  managing  underwriter  or
underwriters, if any, or Holder may request;

        (viii)  use its best  efforts  to cause  the  Registrable  Shares  to be
registered with or approved by such other  governmental  agencies or authorities
within  the  United  States  and  having  jurisdiction  over the  Company or any
Subsidiary  as may  reasonably  be  necessary  to enable  the  seller or sellers
thereof  or  the  underwriter  or  underwriters,   if  any,  to  consummate  the
disposition of such securities;

        (ix)  notify  each  seller  of   Registrable   Shares  covered  by  such
Registration,  upon  discovery  that,  or upon the  happening  of any event as a
result  of which,  the  prospectus  included  in such  Registration,  as then in
effect,  includes an untrue  statement of a material  fact or omits to state any
material fact required to be stated  therein or necessary to make the statements
therein not misleading,  and promptly prepare,  file with the SEC and furnish to
such seller a reasonable  number of copies of a supplement to or an amendment of
such  prospectus  as may be necessary so that,  as  thereafter  delivered to the
purchasers or prospective  purchasers of such securities,  such prospectus shall
not include an untrue  statement of a material  fact or omit to state a material
fact required to be stated therein or necessary to make the  statements  therein
not misleading in the light of the circumstances under which they are made;

        (x) otherwise  comply with all applicable  rules and  regulations of the
SEC, and make generally  available to its security  holders (as  contemplated by
section 11(a) under the  Securities  Act) an earnings  statement  satisfying the
provisions of Rule 158 under the  Securities  Act no later than ninety (90) days
after the end of the twelve (12) month period  beginning with the first month of
the Company's  first fiscal quarter  commencing  after the effective date of the
registration  statement,  which  statement  shall  cover said  twelve (12) month
period;

        (xi) provide and cause to be  maintained a transfer  agent and registrar
for all Registrable  Shares covered by each  Registration  from and after a date
not later than the  effective  date of such  Registration;  and

        (xii) cause all  Registrable  Shares covered by such  Registration to be
listed on each securities  exchange on which similar equity Securities issued by
the Company  are then  listed and, if not so listed,  to be listed on the Nasdaq
Global Market  ("NASDAQ  Market") and, if listed on the NASDAQ  Market,  use its
best efforts to secure  designation  of all such  Registrable  Shares covered by
such registration statement as a NASDAQ "National Market System security" within
the meaning of Rule 11Aa2-1 of the SEC or, failing that, to secure NASDAQ Market
authorization  for such Registrable  Shares and, without limiting the generality
of the foregoing,  to arrange for at least two market makers to register as such
with  respect  to such  Registrable  Shares  with the  National  Association  of
Securities Dealers, Inc.

                                       5



     The Company may require the Holder of the  Registrable  Shares that will be
included in such  Registration  to furnish the Company with such  information as
the Company may  reasonably  request in writing and as is required by applicable
laws or regulations.

     (e) Reasonable Investigation. The Company shall:

        (i) give the  Holder  of the  Registrable  Shares  and its  counsel  and
accountants   the   opportunity  to  participate  in  the   preparation  of  the
registration  statement,  each prospectus included therein or filed with the SEC
and each amendment thereof or supplement thereto;

        (ii) give the Holder reasonable opportunities to discuss the business of
the Company with its officers,  counsel and the independent  public  accountants
who have certified its financial statements;

        (iii) make  available for  inspection  by the Holder of the  Registrable
Shares  included  in any  Registration,  any  underwriter  participating  in any
disposition pursuant to any Registration,  and any attorney, accountant or other
agent  retained  by any such  seller or  underwriter,  all  financial  and other
records, pertinent corporate documents and properties of the Company; and

        (iv) cause the Company's officers, directors and employees to supply all
information  reasonably  requested  by any such person in  connection  with such
Registration;

in each such  case,  as shall be  reasonably  necessary,  in the  opinion of the
Holder or such underwriter, to enable it to conduct a "reasonable investigation"
within the meaning of the section  11(b)(3) of the Securities Act and to satisfy
the requirement of reasonable care imposed by section 12(a)(2) of the Securities
Act.

     (f) Indemnification; Contribution.

        (i) Indemnification by the Company. The Company shall indemnify,  to the
fullest  extent  permitted by law,  the Holder of the  Registrable  Shares,  its
officers,  directors and agents,  if any, and each person,  if any, who controls
the Holder within the meaning of section 15 of the Securities  Act,  against all
losses,  claims,  damages,  liabilities (or proceedings in respect  thereof) and
expenses  (under  the  Securities  Act or  common  law or  otherwise),  joint or
several,  resulting  from any violation by the Company of the  provisions of the
Securities Act or any untrue statement or alleged untrue statement of a material
fact contained in any  registration  statement or prospectus  (and as amended or
supplemented if amended or supplemented) or any preliminary prospectus or caused
by any omission or alleged omission to state therein a material fact required to
be stated  therein or necessary to make the  statements  therein (in the case of
any prospectus,  in light of the  circumstances  under which they were made) not
misleading,  except to the extent that such losses, claims, damages, liabilities
(or  proceedings  in  respect  thereof)  or  expenses  are  caused by any untrue
statement or alleged untrue statement contained in or by any omission or alleged
omission  from  information  concerning  the  Holder of the  Registrable  Shares
furnished in writing to the Company by the Holder expressly for use therein.  If
the  offering  pursuant to any  registration  statement  provided for under this
Section 3 is made through underwriters,  no action or failure to act on the part
of such  underwriters  (whether or not such  underwriter  is an affiliate of the
Holder of the Registrable Shares) shall affect the obligations of the Company to
indemnify the Holder of the  Registrable  Shares or any other person pursuant to
the preceding sentence.

                                       6



        (ii)  Indemnification by the Holder. In connection with any registration
statement in which the Holder of the Registrable  Shares is  participating,  the
Holder,  severally  and not  jointly,  shall  indemnify,  to the fullest  extent
permitted by law, the Company, each underwriter (if the underwriter so requires)
and their respective officers, directors and agents, if any, and each person, if
any, who controls the Company or such underwriter  within the meaning of section
15 of the Securities Act, against any losses, claims,  damages,  liabilities (or
proceedings in respect thereof) and expenses resulting from any untrue statement
or alleged  untrue  statement  of a  material  fact or any  omission  or alleged
omission of a material fact required to be stated in the registration  statement
or prospectus or preliminary  prospectus or any amendment  thereof or supplement
thereto  or  necessary  to make  the  statements  therein  (in  the  case of any
prospectus,  in light of the  circumstances  under  which  they  were  made) not
misleading, but only to the extent that such untrue statement is contained in or
such omission is from information  concerning the Holder furnished in writing by
the Holder  expressly  for use  therein;  provided,  however,  that the Holder's
obligations hereunder shall be limited to an amount equal to the proceeds to the
Holder of the Registrable Shares sold pursuant to such registration statement.

        (iii) Control of Defense.  Any person entitled to indemnification  under
the provisions of this Section 3(f) shall give prompt notice to the indemnifying
party of any claim with respect to which it seeks  indemnification and unless in
such indemnified party's reasonable judgment a conflict of interest between such
indemnified and indemnifying  parties may exist in respect of such claim, permit
such  indemnifying  party to assume the  defense  of such  claim,  with  counsel
reasonably  satisfactory  to the  indemnified  party;  and if such defense is so
assumed, such indemnifying party shall not enter into any settlement without the
consent of the indemnified party if such settlement  attributes liability to the
indemnified  party  and such  indemnifying  party  shall not be  subject  to any
liability  for any  settlement  made  without  its consent  (which  shall not be
unreasonably withheld); and any underwriting agreement entered into with respect
to any  registration  statement  provided  for  under  this  Agreement  shall so
provide.  In the event an  indemnifying  party shall not be entitled  (or elects
not) to assume the  defense of a claim,  such  indemnifying  party  shall not be
obligated  to pay the fees and  expenses  of more  than one  counsel  or firm of
counsel for all parties  indemnified  by such  indemnifying  party in respect of
such claim,  unless in the reasonable  judgment of any such indemnified  party a
conflict of interest may exist between such  indemnified  party and any other of
such indemnified parties in respect to such claim.

        (iv)  Contribution.  If  for  any  reason  the  foregoing  indemnity  is
unavailable,  then the indemnifying party shall contribute to the amount paid or
payable by the indemnified  party as a result of such losses,  claims,  damages,
liabilities or expenses:

          (A) in such  proportion  as is  appropriate  to reflect  the  relative
benefits received by the indemnifying  party on the one hand and the indemnified
party on the other; or

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          (B) if the allocation provided by clause (A) above is not permitted by
applicable law or provides a lesser sum to the indemnified party than the amount
hereinafter calculated, in such proportion as is appropriate to reflect not only
the relative benefits received by the indemnifying party on the one hand and the
indemnified  party on the other but also the relative fault of the  indemnifying
party  and  the  indemnified  party  as  well as any  other  relevant  equitable
considerations.  Notwithstanding  the foregoing,  the Holder of the  Registrable
Shares  shall not be required to  contribute  any amount in excess of the amount
the  Holder  would  have been  required  to pay to an  indemnified  party if the
indemnity under Section 3(f)(ii) were available.  No person guilty of fraudulent
misrepresentation  (within the meaning of section 11(f) of the  Securities  Act)
shall be  entitled  to  contribution  from any person who was not guilty of such
fraudulent  misrepresentation.  The  obligation  of  any  person  to  contribute
pursuant to this Section 3(f) shall be several and not joint.

        (v) Timing of Payments. An indemnifying party shall make payments of all
amounts required to be made pursuant to the foregoing provisions of this Section
3(g) to or for the account of the  indemnified  party from time to time promptly
upon  receipt of bills or invoices  relating  thereto or when  otherwise  due or
payable.

        (vi) Survival.  The indemnity and contribution  agreements  contained in
this  Section  3(f)  shall  remain in full force and  effect  regardless  of any
investigation made by or on behalf of the Holder of the Registrable  Shares, its
officers,  directors,  agents or any person who control the Holder as aforesaid,
and shall survive the transfer of such Registrable Shares by the Holder.

     (g) Holdback  Agreements.  In  connection  with each  underwritten  sale of
Registrable  Shares,  each of the  Company  and the Holder  agrees to enter into
customary holdback agreements concerning sale or distribution of the Registrable
Shares, provided, however, that the holdback period is for no more than 180 days
during any 12 month period.

     (h) Other  Registration  of Common  Stock.  If any  shares of Common  Stock
required to be reserved for purposes of  conversion of any class of Common Stock
into any other class of Common Stock  require  registration  with or approval of
any  governmental  authority  under any  federal  or state law  (other  than the
Securities  Act) before such shares may be issued upon  conversion,  the Company
will, at its expense and as expeditiously  as possible,  use its best efforts to
cause such shares to be duly registered or approved, as the case may be.

     (i)  Availability  of  Information.  At any  time  that  any  class  of the
Company's Common Stock is registered under section 12(b) or section 12(g) of the
Exchange  Act,  the  Company  will  comply with the  reporting  requirements  of
sections 13 and 15(d) of the  Exchange  Act (whether or not it shall be required
to do so  pursuant  to such  sections)  and will  comply  with all other  public
information  reporting  requirements of the SEC from time to time in effect.  In
addition,  the Company shall file such reports and  information,  and shall make
available  to the  public  and to the  Holder  of the  Registrable  Shares  such
information,  as shall be  necessary  to permit the Holder to offer and sell the
Registrable  Shares pursuant to the provisions of Rules 144 and 144A promulgated
under the  Securities  Act.  The  Company  will also  cooperate  with  Holder in
supplying  such  information as may be necessary for Holder to complete and file
any information  reporting forms presently or hereafter required by the SEC as a
condition to the availability of an exemption from the  registration  provisions
of the Securities Act in connection with the sale of any Registrable Shares. The
Company  will furnish to the Holder,  promptly  upon their  becoming  available,
copies of all financial statements,  reports,  notices and proxy statements sent
or made available  generally by the Company to its  stockholders,  and copies of
all  regular  and  periodic   reports  and  all   registration   statements  and
prospectuses filed by the Company with any securities exchange or with the SEC.

                                       8



     (j) Other Registrable  Securities.  Absent the prior written consent of the
Holder,  the Company  shall not for a period of two years from the Closing  Date
grant any registration  rights that are senior to the registration rights of the
Holder under this Agreement. Holder acknowledges that the Company may permit its
other holders of securities,  whether pursuant to an agreement or otherwise,  to
include  shares of Common Stock or other  securities  of the Company (the "Other
Registrable Securities") in a Registration.

     (k) Subsequent Registration  Statements.  In the event the amount of shares
covered by a Registration is limited by the SEC, the Company: (i) shall register
the  maximum  number of  Registrable  Shares  and Other  Registrable  Securities
permitted  by the SEC,  allocated  among the  Holder  and the  holders  of Other
Registrable  Securities in proportion to the amount  previously  included in the
Registration,  and (ii)  shall  file  additional  registration  statements  (the
"Subsequent  Registration  Statements")  covering the balance of the Registrable
Shares and Other  Registrable  Securities as soon as practicable in light of SEC
positions,  rules and  regulations.  The Company  shall use its best  efforts to
cause any and all Subsequent  Registration Statements to become effective within
seventy five (75) days after each such filing.

     4. Expenses of  Registration.  All expenses  incurred in connection  with a
Registration  of the Registrable  Shares  pursuant to this Agreement,  including
without limitation all registration and qualification and filing fees,  printing
expenses,  fees and disbursements of counsel for the Company,  shall be borne by
the Company. The Company shall not be responsible for the fees and disbursements
of counsel for the Holder.  All Selling Expenses shall be borne by the Holder of
the Registrable Shares so registered and sold.

     5. Miscellaneous.

     (a) The Agreement shall not be transferable.

     (b) This Agreement  constitutes the entire  agreement and  understanding of
the parties with respect to the subject  matter  hereof,  and supersedes any and
all  prior  negotiations,  correspondence,  agreements  or  understandings  with
respect to the subject matter hereof.

     (c) Amendments.  This Agreement may not be amended, modified or terminated,
and no rights or provisions  may be waived,  except with the written  consent of
the Holder and the Company.

     (d) Governing  Law. This  Agreement  shall be governed by and construed and
enforced in accordance with the laws of the State of New York. Each party hereby
irrevocably  consents and submits to the  jurisdiction  of any New York State or
United  States  Federal  Court  sitting in the State of New York,  County of New
York, over any action or proceeding arising out of or relating to this Agreement
and  irrevocably  consents  to the  service  of any and all  process in any such
action or proceeding by registered  mail  addressed to such party at its address
specified  herein  (or as  otherwise  noticed  to the other  party).  Each party
further waives any objection to venue in New York and any objection to an action
or  proceeding  in such state and  county on the basis of forum non  conveniens.
Each party also waives any right to trial by jury.

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     (e) Notices.

        (i)  Any   notices,   reports  or  other   correspondence   (hereinafter
collectively referred to as "correspondence")  required or permitted to be given
hereunder shall be given in writing and shall be deemed  effectively  given upon
(a) personal delivery, (b) delivery by fax (with answer back confirmed),  or (c)
two business days after mailing by recognized overnight courier (such as Federal
Express), addressed to a party at its address or sent to the fax number provided
below or at such other  address or fax  number as such  party may  designate  by
three days' advance notice to the other party.

        (ii) All correspondence to the Company shall be addressed as follows:

             Lightspace Corporation
             Boston, MA 02129
             Attention: CEO
             Fax Number:

             with a copy to:

             Hahn & Hessen LLP
             488 Madison Avenue
             New York, NY 10022
             Fax: 212-478-7400
             Attention: James Kardon

             All correspondence to Holder shall be addressed as follows:

             Illumination Design Works, Inc.
             59 Foster Rd.
             Belmont, MA 02478

     (f) Injunctive Relief. The parties  acknowledge and agree that in the event
of any breach of this Agreement,  remedies at law may be inadequate, and each of
the  parties  hereto  shall be  entitled  to seek  specific  performance  of the
obligations of the other parties hereto and such appropriate  injunctive  relief
as may be granted by a court of competent jurisdiction.

     (g)  Attorney's  Fees.  If any action at law or in equity is  necessary  to
enforce or interpret any of the terms of this  Agreement,  the prevailing  party
shall  be  entitled  to  reasonable   attorneys'   fees,   costs  and  necessary
disbursements  in  addition  to any  other  relief  to which  such  party may be
entitled.

                                       10



     (h) Severability.  If any provision of this Agreement is held by a court of
competent  jurisdiction to be unenforceable under applicable law, such provision
shall be replaced with a provision that  accomplishes,  to the extent  possible,
the  original  business  purpose of such  provision  in a valid and  enforceable
manner,  and the  balance  of the  Agreement  shall  be  interpreted  as if such
provision  were so modified  and shall be  enforceable  in  accordance  with its
terms.

     (i)   Counterparts.   This  Agreement  may  be  executed  in  a  number  of
counterparts,  any of which  together  shall  for all  purposes  constitute  one
Agreement,  binding  on all the  parties  hereto  notwithstanding  that all such
parties have not signed the same counterpart.

                                       11



                    SIGNATURE PAGE TO LIGHTSPACE CORPORATION
                          REGISTRATION RIGHTS AGREEMENT

     IN WITNESS  WHEREOF,  the parties  hereto have executed  this  Registration
Rights Agreement as of the date and year first above written.


                                                 LIGHTSPACE CORPORATION

                                                 By:____________________________
                                                 Name:__________________________
                                                 Title:_________________________


                                                 ILLUMINATION DESIGN WORKS, INC.

                                                 By:____________________________
                                                 Name:__________________________
                                                 Title:_________________________

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