I like that it offers the capability to quickly view 3D assemblies, explode them to view separate parts, animate how everything fits together, hide some faces or make them transparent to see the inside of a structure. It's a nice tool to have. It can also view DXF/DWG files, can help...
Exporting a single part, not an assembly. Author dbc commented Jun 21, 2019 Past the permission issue but stuck on the object reference crash. It appears to me that the message: "Object reference not set to in instance of an object." is a generic Windows scripting error message. (I ...