<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/formc" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>C-AR</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <filerCik>0001998740</filerCik>
          <filerCcc>XXXXXXXX</filerCcc>
        </filerCredentials>
      </filer>
      <period>12-31-2024</period>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
    </filerInfo>
  </headerData>
  <formData>
    <issuerInformation>
      <issuerInfo>
        <nameOfIssuer>Madco3d LLC</nameOfIssuer>
        <legalStatus>
          <legalStatusForm>Limited Liability Company</legalStatusForm>
          <jurisdictionOrganization>NY</jurisdictionOrganization>
          <dateIncorporation>07-24-2018</dateIncorporation>
        </legalStatus>
        <issuerAddress>
          <com:street1>55 LIBERTY STREET</com:street1>
          <com:city>NEW YORK</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10005</com:zipCode>
        </issuerAddress>
        <issuerWebsite>https://madco3d.com/</issuerWebsite>
      </issuerInfo>
      <isCoIssuer>N</isCoIssuer>
    </issuerInformation>
    <annualReportDisclosureRequirements>
      <currentEmployees>5.00</currentEmployees>
      <totalAssetMostRecentFiscalYear>493925.00</totalAssetMostRecentFiscalYear>
      <totalAssetPriorFiscalYear>413136.00</totalAssetPriorFiscalYear>
      <cashEquiMostRecentFiscalYear>145685.00</cashEquiMostRecentFiscalYear>
      <cashEquiPriorFiscalYear>74440.00</cashEquiPriorFiscalYear>
      <actReceivedMostRecentFiscalYear>0.00</actReceivedMostRecentFiscalYear>
      <actReceivedPriorFiscalYear>0.00</actReceivedPriorFiscalYear>
      <shortTermDebtMostRecentFiscalYear>24428.00</shortTermDebtMostRecentFiscalYear>
      <shortTermDebtPriorFiscalYear>11484.00</shortTermDebtPriorFiscalYear>
      <longTermDebtMostRecentFiscalYear>0.00</longTermDebtMostRecentFiscalYear>
      <longTermDebtPriorFiscalYear>0.00</longTermDebtPriorFiscalYear>
      <revenueMostRecentFiscalYear>121685.00</revenueMostRecentFiscalYear>
      <revenuePriorFiscalYear>1142.00</revenuePriorFiscalYear>
      <costGoodsSoldMostRecentFiscalYear>104553.00</costGoodsSoldMostRecentFiscalYear>
      <costGoodsSoldPriorFiscalYear>550.00</costGoodsSoldPriorFiscalYear>
      <taxPaidMostRecentFiscalYear>0.00</taxPaidMostRecentFiscalYear>
      <taxPaidPriorFiscalYear>0.00</taxPaidPriorFiscalYear>
      <netIncomeMostRecentFiscalYear>-144200.00</netIncomeMostRecentFiscalYear>
      <netIncomePriorFiscalYear>-123409.00</netIncomePriorFiscalYear>
    </annualReportDisclosureRequirements>
    <signatureInfo>
      <issuerSignature>
        <issuer>Madco3d LLC</issuer>
        <issuerSignature>/s/ Adam Kushner</issuerSignature>
        <issuerTitle>President, CEO, Manager</issuerTitle>
      </issuerSignature>
      <signaturePersons>
        <signaturePerson>
          <personSignature>/s/ Adam Kushner</personSignature>
          <personTitle>President, CEO, Manager</personTitle>
          <signatureDate>04-30-2025</signatureDate>
        </signaturePerson>
        <signaturePerson>
          <personSignature>/s/ Timothy Lucido</personSignature>
          <personTitle>Board Manager, Manager</personTitle>
          <signatureDate>04-30-2025</signatureDate>
        </signaturePerson>
        <signaturePerson>
          <personSignature>/s/ Daniel Bernard</personSignature>
          <personTitle>Executive Vice President, Manager</personTitle>
          <signatureDate>04-30-2025</signatureDate>
        </signaturePerson>
      </signaturePersons>
    </signatureInfo>
  </formData>
</edgarSubmission>
