<SEC-DOCUMENT>0001562180-23-007205.txt : 20231004
<SEC-HEADER>0001562180-23-007205.hdr.sgml : 20231004
<ACCEPTANCE-DATETIME>20231004163354
ACCESSION NUMBER:		0001562180-23-007205
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231003
FILED AS OF DATE:		20231004
DATE AS OF CHANGE:		20231004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CRONIN BILL
		CENTRAL INDEX KEY:			0001259278

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40546
		FILM NUMBER:		231308458

	MAIL ADDRESS:	
		STREET 1:		180 CONCORD DRIVE
		CITY:			MADISON
		STATE:			CT
		ZIP:			06824

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Xometry, Inc.
		CENTRAL INDEX KEY:			0001657573
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				320415449
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6116 EXECUTIVE BOULEVARD, SUITE 800
		CITY:			NORTH BETHESDA
		STATE:			MD
		ZIP:			20852
		BUSINESS PHONE:		240-335-7914

	MAIL ADDRESS:	
		STREET 1:		6116 EXECUTIVE BOULEVARD, SUITE 800
		CITY:			NORTH BETHESDA
		STATE:			MD
		ZIP:			20852
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-10-03</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001657573</issuerCik>
        <issuerName>Xometry, Inc.</issuerName>
        <issuerTradingSymbol>XMTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001259278</rptOwnerCik>
            <rptOwnerName>CRONIN BILL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O XOMETRY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>6116 EXECUTIVE BLVD, SUITE 800</rptOwnerStreet2>
            <rptOwnerCity>NORTH BETHESDA</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20852</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Chief Revenue Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>true</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-10-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>350.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.5357</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>143739.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 90 days prior to the trading date.</footnote>
        <footnote id="F2">These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.36 to $16.93, inclusive. The reporting person undertakes to provide to Xometry, Inc., any security holder of Xometry, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price in the range.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kristie Scott, Attorney-in-Fact</signatureName>
        <signatureDate>2023-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
