<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001437452</cik>
        <entityName>3D-4U INC</entityName>
        <issuerAddress>
            <street1>c/o Elizabeth Hanner</street1>
            <street2>2522 SW Racquet Club Drive</street2>
            <city>Palm City</city>
            <stateOrCountry>FL</stateOrCountry>
            <zipCode>34990</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>540-808-3606</issuerPhoneNumber>
        <jurisdictionOfInc>FLORIDA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Duncan</firstName>
                <lastName>Driscoll</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1985 Harding Road</street1>
                <city>Blacksburg</city>
                <stateOrCountry>VA</stateOrCountry>
                <zipCode>24060</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <lastName>Sexsmith</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2001 Sailfish Point Blvd.</street1>
                <city>Stuart</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>24996</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Uma</firstName>
                <lastName>Jayaram</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1035 SW Meyer Drive</street1>
                <city>Pullman</city>
                <stateOrCountry>WA</stateOrCountry>
                <zipCode>99163</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Technology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-02-07</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse>If proceeds are sufficient to cover working capital needs and costs of acquisition, issuer will use a portion of proceeds to acquire Integrated Virtual Prototyping, Inc.,a material consultant &amp; shareholder, as disclosed in the conf. memo provided to inves</clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>5000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>20000000</totalOfferingAmount>
            <totalAmountSold>135000</totalAmountSold>
            <totalRemaining>19865000</totalRemaining>
            <clarificationOfResponse>The issuer may accept investments up to a total amount of $20M but it is possible that the offering will not raise the total potential amount, and the issuer intends to close on individual investments as and when suitable.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>2</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>500000</dollarAmount>
                <isEstimate>true</isEstimate>
            </findersFees>
            <clarificationOfResponse>This amount is an estimate of potential finders' fees in the transaction. It is possible that the issuer does not pay finders' fees or commissions in the offering, but provides an est. to reserve the possibility of entering into arrangements with persons.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>450000</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>The salaries and other compensation of the officers will be adjusted based on the working capital available to the company. Officers previously have foregone salary. The company expects to at least pay Mr. Driscoll and possibly Ms. Jayaram.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>3D-4U INC</issuerName>
                <signatureName>Duncan Driscoll</signatureName>
                <nameOfSigner>Duncan Driscoll</nameOfSigner>
                <signatureTitle>President</signatureTitle>
                <signatureDate>2010-02-16</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
