In mm.dxf the MEASUREMENT variable is wrongly set to 0. It must be set to 1 for metric files... ✅ Well done, I changed inside my file mm.dxf the following lines $MEASUREMENT 70 0 9 by $MEASUREMENT 70 1 9 and it worked correctly, maybe is a LibreCAD bug. Thank you very much for your help.

thomas-neemann wrote: ↑Sat Jul 02, 2022 9:10 am everything seems to work here

I tried with your file

300.dxf

and it worked well for me too

Roy_043 wrote: ↑Sat Jul 02, 2022 7:53 am ... Please post the DXF files you have used.

• mm:

  inch.dxf

  (19.23 KiB) Downloaded 26 times

• Inches:

  mm.dxf

  (19.2 KiB) Downloaded 34 times

Hi there, First of all, I would thank you very much for your priceless work. 👍🏽 I have similar issue when importing dxf files with mm unit, - So to detect the origin of this issue I created a bunch of similar files using LibreCAD, all of them with just a unit rectangle [1×1] (as shown), but each one...

I knew that it was an error, I do it intentionally It's a demo to reproduce the FAILURE.
imagine what happens when you have tons of constraints .
Ps: The UPDATE button would add nothing to the error

I recorded this comparative video to show where I have the same issue in FreeCAD .0.20 freeCAD 0.19
I'm using win11.
Watch in [ YouTube]