Fusion360 and ParaParam
When I’m chasing tolerances on your 3D designs, I will print the same design with 1mm differences. ParaParam is great at scripting generating STL files with changes to a specific parameter.
To install the add in, download the zipped code from GitHub, extract it, and put it in the %appdata%\Autodesk\Autodesk Fusion 360\API\Scripts folder. You may need to create the Scripts folder.
The file structure should be
API\
Scripts\
ParaParam\
ParaParam.py
ParaParam.manifest
...
Fusion360 and ParaParam