This is very cool, glad to see an opensource version of brick building. As a Dane (Lego's Danish), I'm impressed that you manage to navigate the numerous pitfalls with copyright infringement and the like.
Also glad to see it being GPLv2 licensed.
Also glad to see it being GPLv2 licensed.
LeoCAD & LDraw follows LEGO's Fair Play[0] policy, so all is OK here.
See LeoCAD's License > Disclaimer.[1]
FTR, Studs logo by default is turned off in LeoCAD, but user may turn in on in the preferences.
[0] https://www.lego.com/en-us/legal/notices-and-policies/fair-p...