Beanmg

BeamNG.tech has published several academic and technical papers regarding their soft-body physics engine and its applications in autonomous vehicle testing:

: For these crafts, cardstock is highly recommended as it is thick enough to hold its shape but thin enough to fold. 3. In-Game "Paper" Mods beanmg

: Provides an overview of the system architecture, soft-body physics framework, and its use in ADAS development. BeamNG

The community often creates printable templates to build BeamNG vehicles out of real paper. soft-body physics framework

There are also mods that add paper-themed vehicles or items into the game: Experimental - Paperboat | BeamNG