Nutter Fidget Toy

In general, this is a treatise on designing printable helical threads.

Many of us know how to use parametric 3D modelers that can easily and precisely define any number of common elements that are easily scaled to any scale needed.
Solidworks is a widely used application where basic information can help you to make any thread you want for your design.

For the rest of us, we hope someone will post up something useful so we can carve and hammer things into useful shapes and objects. I am h