(2020-05-06, 13:09)Philippe Hurbain Wrote: The most reliable method is to export them to .stl file format (ASCII) then convert them to LDraw parts with Stl2Dat (http://marc.klein.free.fr/lego/stl2dat/s...ml#version) or with LETGUI that also contains a copy of stl2dat (https://ldraw.heidemann.org/index.php?page=letgui)
Take care of units (1 unit = 0.4mm), scale if needed...
Thank you for your reply. I have started drawing today. Is there anything I need to pay attention to in the drawing process?