A few years ago I tried a product called 'Cubify Design' and followed the tutorials available.
One tutorial discussed threading of a bolt blank done much like a metal lathe would in the real world. A 2D cutter head was drawn outlining the thread profile and placed at the start of the bolt blank (cylinder). In the real world lathe the material is turning and the cutter head progresses along the cylinder axis cutting the threads.
In the Cubify Design world I'm not sure if the bolt blank is rotating and the cutter head travels along the axis of the bolt blank (like a real world lathe) OR the bolt blank is stationary and the cutter head is rotating around the bolt blank as it (the cutter head) travels the length of the bolt blank. Doesn't really matter, the threads are being 'cut' by relative motion of one of the two (bolt blank or cutter head).
I've seen plugins that can 'extrude' threads then combine with the cylinder (bolt blank) to form a threaded bolt.
What I'm looking for is a Sketchup method to have a thread outline (cutterhead) rotate around the bolt stock and travel the length of the bolt stock by following a helix profile. Replicating a real world lathe.
I've tried some 'follow-me' tool stuff and can get a 'cutter head' to revolve (follow-me)around the edge of a circle. Creating something like chess set pawn. But can't get the cutter head profile linked up to a helix to where the cutter head will travel along an axis.
Can this be done in SU and if so can someone point me to a tutorial that even an eight year old can understand???
Thank you!!