In construction and home building, feet and inches (at least in the US) aren't typically used -- instead, just inches are used. Most blueprints simply have inches, then halves, quarters, eighths, or ...
I have a problem with export as image: Version 2.1.3 in Windows 20 2004 x64 on HP elitedesk 8000 DXF2007 file with several layers. Some of them has black/white color and others have other colours.
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