Only 3d elements of the DXF file are read. All 2d elements are ignored. The handling of units is identical to the 2d DXF.
The GDS3D format is similar to the GDS format. The basic record structure is identical. The main difference is the additional z coordinate to any vertext. It is far away from any GDS standard, but it is close to the internal storage format used by the 3d editor.
OFF (Object File Format) is a geometry definition file format containing the description of the composing polygons of the 3D object. The units used in the file have to be set in the setup. Using the wrong setting will result in the incorrect scale of the import/export.
The units used in the file have to be set in the setup. The wrong setting will result in an incorrect scale of the import/export.
The export will be done in the format of the Rhino 3d sorfware which offers many additional features to edit 3d designs.
STL (STereoLithography) is a file format native to the stereolithography CAD software created by 3D Systems. STL has several after-the-fact backronyms such as "Standard Triangle Language" and "Standard Tessellation Language".
Storage in the Virtual Reality Modeling Language (VRML).