FreeCAD - Free Open Source CAD Software
It seems everything these days is a subscription and you can not purchase a perpetual license for a piece of software. So how do you design parts that are parametric models and not get bent over the barrel with a yearly subscription fee in the thousands?
You could sail the sea or try free open source. You may be surprised by what you find.
3D Printing Automotive Parts - Getting Started
You don’t need an expensive set up to start printing parts. A quick run through my initial set up.
R-134a - 1,1,1,2-Tetrafluoroethane and Replacements to R134a
I can hear all the refrigerator mechanics screaming.