What are some free sites with 3d models for product engineering?

Question

AutoCAD

What are the free sites with 3d models for the engineering development of products in the field of mechanical engineering?

Answer 1

Almost all cadas have standard sets of hardware and primitives.
Look to the heap on the community forums for programs.
In addition, many sites selling kits have ready-made models
as an example
https://darxton.ru/catalog_item/minirels-mgn9-hiwi...