MagTracker

thingiverse

This is a part to find the center of a round apliancebox "eldosa" through an osb or a gypsom/sheetrock board. needs two nedymium magnets 16mm diameter the main body is about the size of a regular apliancebox in the EU/Sweden (apparatdosa) and the frame make it fit an apliancebox of the bigger kind (kopplingsdosa) there are a similar commercial version of this called Hole-In-One they are better but expensive