Summary

Easy customizer for making a screw top jar.

Features

• round or faceted [square, hexagon, octagonal etc]
• diameter of the jar depends on the thread you pick
• smooth or knurled for easier grip to open/close
• threaded height on both top and bottom are configurable
• unthreaded height on both top and bottom are configurable
• scaling so you can make a jar any size you like

Instructions

• Download openscad and open the scad file...
• or use the thingiverse customizer
• configure Overall details like thread and sides...
• configure sizes for top and bottom
• create an stl file
• print

Helpful Details

• the threaded height on the top should be a few mm greater than the bottom or there will be a gap between top and bottom
• the fewer sides you have, the larger the wall thickness must be
• see threads to pick a jar size
• the diameter of the inside of the jar will be int_diameter - (2 * wall thickness)
• the diameter of the outside of the jar will be ext_diameter + (2 * wall thickness)
• these diameters are echo'ed to the console if you use openscad