Hand of the King (takes magnets 6x3mm)

thingiverse

This one takes up to three neodymium magnets (size 6.0 x 3.0 mm). There are three files to choose from if your machine is not calibrated or is generally a bit inaccurate: horizontal clearance of 0.3 mm, 0.15 mm, or no clearance at all; vertical clearance is always 0.16 mm. I recommend using one or a maximum of two magnets because these little things can be quite strong. There are no openings in the bottom layer. The magnets are inserted during the printing process: 1. Start printing. 2. Pause at the last layer where the openings are still visible. 3. Insert magnets. 4. Resume printing. I'm using the "change filament at height" plugin with Cura 3, and you can see my settings in the pic attached.