Yeah, I have played with it some. I followed a YT tutorial and made a glazed donut with sprinkles that looked VERY tasty LOL.
BlenderGuru I think is the guy's name. He has some killer tutorials on it.
I'm still looking into a vacuum form jig. I doubt it will be any time soon, but I have a list of parts I need going and a design for the table in the works. I just need to learn how to use Blender. I do a lot of solid 3d modeling in a CAD/CAM package, but it's not the greatest surface modeler.
This is a good read
https://www.rctalk.com/forum/threads/nitro-tuning-tips-and-tuning-flow-chart.60832/
Scroll down a little to see a diagram of glow plugs.