<?xml version='1.0' encoding='utf-8'?>
<!-- Created by Charles Hoffman, CPA 2020-02-16 -->
<!-- Public Domain Dedication: https://creativecommons.org/publicdomain/zero/1.0/ -->
<schema
  xmlns='http://www.w3.org/2001/XMLSchema'
  xmlns:xbrli='http://www.xbrl.org/2003/instance'
  xmlns:link='http://www.xbrl.org/2003/linkbase'
  xmlns:xlink='http://www.w3.org/1999/xlink'
  xmlns:dm='http://www.xbrlsite.com/2020/Prototype/dm'
  xmlns:generic='http://xbrl.org/2008/generic'
  targetNamespace='http://www.xbrlsite.com/2020/Prototype/dm'
  elementFormDefault='qualified'
  attributeFormDefault='unqualified'>
  <annotation>
    <appinfo>

      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/definitionLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='dm-BalanceSheet-rules-def.xml'  xlink:title='BalanceSheet'/>

      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/labelLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='disclosures-label.xml'  xlink:title='Label linkbase for disclosures'/>
      <link:linkbaseRef xlink:type='simple' xlink:role='http://www.xbrl.org/2003/role/labelLinkbaseRef' xlink:arcrole='http://www.w3.org/1999/xlink/properties/linkbase' xlink:href='ae-lab.xml'  xlink:title='Label linkbase for taxonomy schema'/>

    </appinfo>
  </annotation>
  <import namespace='http://www.xbrl.org/2003/instance' schemaLocation='http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd' />
</schema>
