Open Throw 2 - modern responsive yo-yo spec

Open Throw 2.0 modern responsive specOpen source yo-yo platform OpenThrow is an open standard for 3d printing high quality yo-yos. Print the Runabout model or use the hub and self sealing stem bolt to design your own! Boost MeBoost this to support access to free, high quality, yo-yos. Why Open Throw?The Open Throw project originally aimed to be the best, easiest, and lowest-cost way to create a 3d printed yo-yo. Open Throw 2 adds to this with several new improvements: Connection - probably the single biggest change in OT2 besides additional playstyle support is the “Self Sealing Stem Bolt”. This part replaces the acorn nut used in v1. This new component consists of a 3d printed “handle” part and an M4 self-clinching rivet nut (M3 support coming in OT2-extended). These are very affordable parts that can be bought on amazon. The ones used in the model are sold out, but checking the dimensions of these, you should be able to find other compatible ones.Hub - The new hub is larger than the