I have honestly never heard of this before, hopefully you guys haven't either, otherwise I am living in the past. However, build your car and post your build below with screenshots. The site has apparently over 600 different models and lots of parts
3D Tuning
Alternatively, use:
S-Tuner
Today you are discoverying great things !
Here is a quick one I just done lol
My golf slammed on steelies.
Raised the car a little, view from rear:
Not your usual car to tune
This has been around for ages I have done a lot. The biggest issue is a lot of models have glitches or lack parts. The Ladas, other Russian cars, and Peterbilt seem to have the most mods.