These libraries add functionality to OpenSCAD. Items like measured drawings and axis. Items that don’t contribute directly to a model but help in it’s creation.
Obijuan openscad tools attach bcube bevel utils vector https://github.com/Obijuan/obiscad.git
Description from github This OpenSCAD module provides a few modules that provide some functionality of local coordinate systems github clone link: https://github.com/jreinhardt/local-scad.git