it is fun trying to get parts within parts. Particularly if like me you don't like using supports.

This is my best part within a part design to date:

Well it would be but uploading pictures is definitely not working.
I'll be back ...







basically I wanted a spool to wind 10-20 metre sample lengths of stiff filaments on. Figured was quicker to print one that expanded and locked than just make one big spool.

Works really well :-)
I can print the parts seperately as well, but they print together and just pull to lock with no problem.
I think the smallest gap I've used is 0.5 mm.

This is the mark 2 - mark one has holes in the shaft and locked with a bent paperclip :-)

Print these at 0.3mm layer height and around 65mm/s speed - which is quick for my creator :-)