5.36 http://schemas.microsoft.com/office/drawing/2018/sketchyshapes Schema

 <xsd:schema targetNamespace="http://schemas.microsoft.com/office/drawing/2018/sketchyshapes" xmlns="http://schemas.microsoft.com/office/drawing/2018/sketchyshapes" elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <xsd:import schemaLocation="oartbasetypes.xsd" namespace="http://schemas.openxmlformats.org/drawingml/2006/main"/>
   <xsd:import schemaLocation="oartspgeometry.xsd" namespace="http://schemas.openxmlformats.org/drawingml/2006/main"/>
   <xsd:complexType name="CT_Empty"/>
   <xsd:simpleType name="ST_LineSketchSeed">
     <xsd:restriction base="xsd:unsignedInt"/>
   </xsd:simpleType>
   <xsd:group name="EG_LineSketchType">
     <xsd:choice>
       <xsd:element name="lineSketchNone" type="CT_Empty"/>
       <xsd:element name="lineSketchCurved" type="CT_Empty"/>
       <xsd:element name="lineSketchFreehand" type="CT_Empty"/>
       <xsd:element name="lineSketchScribble" type="CT_Empty"/>
     </xsd:choice>
   </xsd:group>
   <xsd:complexType name="CT_LineSketchTypeProperties">
     <xsd:sequence>
       <xsd:group ref="EG_LineSketchType" minOccurs="0" maxOccurs="1"/>
     </xsd:sequence>
   </xsd:complexType>
   <xsd:complexType name="CT_LineSketchStyleProperties">
     <xsd:sequence>
       <xsd:group ref="a:EG_Geometry" minOccurs="0" maxOccurs="1"/>
       <xsd:element type="CT_LineSketchTypeProperties" name="type" minOccurs="0" maxOccurs="1"/>
       <xsd:element name="seed" type="ST_LineSketchSeed" minOccurs="0" maxOccurs="1"/>
       <xsd:element name="extLst" type="a:CT_OfficeArtExtensionList" minOccurs="0" maxOccurs="1"/>
     </xsd:sequence>
     <xsd:attribute name="sd" type="ST_LineSketchSeed" use="optional"/>
   </xsd:complexType>
   <xsd:element name="lineSketchStyleProps" type="CT_LineSketchStyleProperties"/>
 </xsd:schema>