The Histed Dial

An Actual physical Bed levelling tool for a Prusa i3 mk3 printer - for use with wavey washers etc- as per https://github.com/PrusaOwners/prusaowners/wiki/Bed_Leveling_with_Wave_Springs

My first 3d CAD design ever - I feel I need to level my mk3’s bed (it has a maximum height level change across it of .67mm) - i have read the Wikipedia article - and reckon adjusting the bed m3 screws “a specific smidge” will be pretty hard - so designed a screwdriver gauge for a standard pitch m3 screw (ie .5mm height change per turn), that means every 50th of a Turn, the screw changes its height .01mm - an accuracy on the edge of achievable from what I read. This guage allows you to see the height change as you turn a screw.

There are 9 screws holding down the heated bed that need to be adjusted very precisely. DO NOT DO THIS UNLESS YOU'VE READ THE WIKIPEDIA ARTICLE AND KNOW WHAT YOU ARE ATTEMPTING.

My design clips onto my Wera M3 screwdriver (it is a 2mm head, and it has a 3mm cylindrical sha