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  <xs:element id="orgn_PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" abstract="false" name="PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="orgn_ReimbursementForEligibleExpenditure" abstract="false" name="ReimbursementForEligibleExpenditure" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_ClassOfWarrantsOrRightsIssued" abstract="false" name="ClassOfWarrantsOrRightsIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="orgn_PilotPlantMember" abstract="true" name="PilotPlantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_NumberOfCommonStockSharesConverted" abstract="false" name="NumberOfCommonStockSharesConverted" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="orgn_TheStockPlansMember" abstract="true" name="TheStockPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_TriggeringEventDomain" abstract="true" name="TriggeringEventDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_AccumulatedCapitalizedStockBasedCompensation" abstract="false" name="AccumulatedCapitalizedStockBasedCompensation" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_NumberOfDaysForAParticularEventToGetOverToDetermineShareTradingDays" abstract="false" name="NumberOfDaysForAParticularEventToGetOverToDetermineShareTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="orgn_LicenseAgreementAmount" abstract="false" name="LicenseAgreementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_PublicWarrantsMember" abstract="true" name="PublicWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_PeriodFromBusinessCombinationClosingDateStockPriceTrigger" abstract="false" name="PeriodFromBusinessCombinationClosingDateStockPriceTrigger" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="orgn_RecentAccountingPronouncementsAbstract" abstract="true" name="RecentAccountingPronouncementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="orgn_PercentageOfPrepaymentAppliedAgainstFuturePurchases" abstract="false" name="PercentageOfPrepaymentAppliedAgainstFuturePurchases" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="orgn_DebtDisclosureTable" abstract="true" name="DebtDisclosureTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="orgn_PrivateWarrantMember" abstract="true" name="PrivateWarrantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_ProceedsOfPrepaymentFromStockholder" abstract="false" name="ProceedsOfPrepaymentFromStockholder" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_SignificantAccountingPoliciesLineItems" abstract="true" name="SignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="orgn_PercentOfOccurrenceOfATenderOfferOrExchangeOfOurStockholders" abstract="false" name="PercentOfOccurrenceOfATenderOfferOrExchangeOfOurStockholders" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="orgn_PatentLicenseAgreementMember" abstract="true" name="PatentLicenseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_ShareTriggerPriceThreeMember" abstract="true" name="ShareTriggerPriceThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="orgn_AmortizationOfPremiumOnMarketableSecurities" abstract="false" name="AmortizationOfPremiumOnMarketableSecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_ChangeInFairValueOfEarnoutLiability" abstract="false" name="ChangeInFairValueOfEarnoutLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_SignificantAccountingPoliciesTable" abstract="true" name="SignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="orgn_SponsorVestingSharesOutstanding" abstract="false" name="SponsorVestingSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="orgn_TriggeringEventAxis" abstract="true" name="TriggeringEventAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="orgn_RepaymentPercentageOfPrepaymentAgreementAmount" abstract="false" name="RepaymentPercentageOfPrepaymentAgreementAmount" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="orgn_MinimumCostsOfCommercialPlants" abstract="false" name="MinimumCostsOfCommercialPlants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_EarnoutSharesPostTriggeringEventPeriod" abstract="false" name="EarnoutSharesPostTriggeringEventPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="orgn_NumberOfPrepaymentInstallments" abstract="false" name="NumberOfPrepaymentInstallments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="orgn_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseOfSharesAuthorizedPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseOfSharesAuthorizedPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="orgn_SponsorVestingSharesIssued" abstract="false" name="SponsorVestingSharesIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="orgn_OneYearFromTheVestingCommencementDateMember" abstract="true" name="OneYearFromTheVestingCommencementDateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_ShareRedemptionTriggerPricePerShare" abstract="false" name="ShareRedemptionTriggerPricePerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="orgn_EarnoutLiabilityPolicyTextBlock" abstract="false" name="EarnoutLiabilityPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="orgn_LesserEligibleCostsPercentage" abstract="false" name="LesserEligibleCostsPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="orgn_DevelopmentProgramLiabilityMaximumRepaymentRatioComparedToActualFundingReceived" abstract="false" name="DevelopmentProgramLiabilityMaximumRepaymentRatioComparedToActualFundingReceived" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="orgn_LicenseAgreementAggregateRoyaltyPayment" abstract="false" name="LicenseAgreementAggregateRoyaltyPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_StockIssuedDuringPeriodSharesCommonStockAwardVested" abstract="false" name="StockIssuedDuringPeriodSharesCommonStockAwardVested" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="orgn_ShareTriggerPriceOneMember" abstract="true" name="ShareTriggerPriceOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_PropertyPlantAndEquipmentCapitalized" abstract="false" name="PropertyPlantAndEquipmentCapitalized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_OperatingAndMaintenanceAgreementMember" abstract="true" name="OperatingAndMaintenanceAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_LegacyOriginSeriesBPreferredStockMember" abstract="true" name="LegacyOriginSeriesBPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_ShareTriggerPriceTwoMember" abstract="true" name="ShareTriggerPriceTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_TwentyTwentyOneEquityIncentivePlanMember" abstract="true" name="TwentyTwentyOneEquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_ChangeInFairValueOfCommonStockWarrantsLiability" abstract="false" name="ChangeInFairValueOfCommonStockWarrantsLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterTwoYears" abstract="false" name="DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateAfterTwoYears" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_DebtDisclosureLineItems" abstract="true" name="DebtDisclosureLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="orgn_AssumedCommonStockWarrantsLiabilityPolicyTextBlock" abstract="false" name="AssumedCommonStockWarrantsLiabilityPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="orgn_AvailableForSaleSecuritiesExcludingPendingPurchasesAndSalesMember" abstract="true" name="AvailableForSaleSecuritiesExcludingPendingPurchasesAndSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_StockOptionsVestingTwoMember" abstract="true" name="StockOptionsVestingTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_RoyaltyPaymentForLicenseAgreementPerYear" abstract="false" name="RoyaltyPaymentForLicenseAgreementPerYear" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="orgn_StockholderMember" abstract="true" name="StockholderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="orgn_ServiceAgreementExtension" abstract="false" name="ServiceAgreementExtension" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
</xs:schema>
