3D models

This chapter is replete with information on effectively manipulating 3D models and preparing them for integration into twinzo.

It contains:

https://twinzo.atlassian.net/wiki/spaces/PUBD/pages/58884126

https://twinzo.atlassian.net/wiki/spaces/PUBD/pages/104398849

https://twinzo.atlassian.net/wiki/spaces/PUBD/pages/109740040

https://twinzo.atlassian.net/wiki/spaces/PUBD/pages/120061982