This model is built using AnchorScad, see here for the model script.
https://github.com/owebeeone/anchorscad/blob/master/src/anchorscad/models/kitchenware/SaltJarLid.py
This particular model starts here:
https://github.com/owebeeone/anchorscad/blob/a9fbbd8a4dfbd05019dd7e6ad879ae9e04c88af2/src/anchorscad/models/kitchenware/SaltJarLid.py#L245