Procedural Parts, Starwaster Branch.
Download Latest Release for Procedural Parts
Features
The features include
Everything accessible by tweaking
A broad range of shapes including cylinders, truncated cones, filleted cylinders, bezier cones.
New part shapes are easy to develop and plug in, so cuboid / pill shaped / whatever else you want shaped will be able to be created.
Most stuff configurable in the config file, including resources and fill ratios, te