One .PDF file and a couple of links that are of interest to Librecad users.
You may find them useful.
The .PDF is a good primer on Isometric and Orthogonal drawing.
The links are just reference material.
Here they are.
Cheers, JR
Some Links:
https://heikell.fi/downloads/LibCAD_220rc1.pdf
https://librecad.readthedocs.io/en/l...damentals.html
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