-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 RmODV3YdNPscdQHa8gVXUA==

<SEC-DOCUMENT>0001011438-03-000350.txt : 20031211
<SEC-HEADER>0001011438-03-000350.hdr.sgml : 20031211
<ACCEPTANCE-DATETIME>20031211152645
ACCESSION NUMBER:		0001011438-03-000350
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031211
FILED AS OF DATE:		20031211

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCALEA KEVIN
		CENTRAL INDEX KEY:			0001251199

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22250
		FILM NUMBER:		031049478

	MAIL ADDRESS:	
		STREET 1:		26081 AVENUE HALL
		CITY:			VALENCIA
		STATE:			CA
		ZIP:			91355

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			3D SYSTEMS CORP
		CENTRAL INDEX KEY:			0000910638
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				954431352
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		26081 AVENUE HALL
		CITY:			VALENCIA
		STATE:			CA
		ZIP:			91355
		BUSINESS PHONE:		6612955600

	MAIL ADDRESS:	
		STREET 1:		26081 AVENUE HALL
		CITY:			VALENCIA
		STATE:			CA
		ZIP:			91355

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	3 D SYSTEMS CORP
		DATE OF NAME CHANGE:	19930816
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edg03-158_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-12-11</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000910638</issuerCik>
        <issuerName>3D SYSTEMS CORP</issuerName>
        <issuerTradingSymbol>TDSC</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001251199</rptOwnerCik>
            <rptOwnerName>MCALEA KEVIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 3D SYSTEMS CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>26081 AVENUE HALL</rptOwnerStreet2>
            <rptOwnerCity>VALENCIA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91355</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>0</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>Senior V.P., Global Marketing</officerTitle>
      </reportingOwnerRelationship>
   </reportingOwner>
 <derivativeTable>
   <derivativeTransaction>
      <securityTitle>
         <value>6% Subordinated Convertible Debentures due 2013</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>10.18</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-12-11</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>P</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionTotalValue>
           <value>20000</value>
         </transactionTotalValue>
         <transactionPricePerShare>
           <value>20000</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>2003-12-11</value>
      </exerciseDate>
      <expirationDate>
         <value>2013-11-30</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>1965</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <valueOwnedFollowingTransaction>
           <value>20000</value>
         </valueOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
 </derivativeTable>
   <ownerSignature>
      <signatureName>/s/ Kevin McAlea</signatureName>
      <signatureDate>2003-12-11</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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