Jet Mini Lathe

What are the dimensions of a projectile caliber 2? neck, base, Rime (diameter), the case and the total length? I would like to a round dummy on the lathe. I can not say to your question what you are asking. Sorry. Preparing a Bowl Blank for Woodturning : Drawing the Dimensions of a Bowl Blank [...]

What should I use plastic? im making a prototype of an invention and I will be part machining with a lathe. the plastic must be smooth and not brittle. Delrin, PTFE rods acrylic, and Teflon are not an option. Unless convinced. the dimensions of the pieces are 21mm in diameter so that a 1 "diameter [...]