Updated threads on center knob published feb. 1st. 2026

A compartmented box for knitting needles. The lid provides selective access to individual compartments or full access to all. It is available with different numbers of compartments.
 

There are some stl files with other configuration with 8,10 and 12 segments

Printing Instructions if you don't use the profile:
See image

Split into parts, one stl contains lids and box that go together.
Print the knob with the handle side down. 
Print the two lid parts vertically (with a brim) - to get the grooves correct.
You need to splitt the parts in the slicer before rotating each part.

Your thread tolerance may vary.