Magnetic Tetra-Bricks!

A magnetic version of the Tetra-Bricks.

The .stl file is set up for 3/8" diameter 1/16" thick neodymium magnets. You'll need to pause the print at two different times to insert the magnets. See ( https://3dprinterwiki.info/duplicatori3/pause-at-layer-height/ ) for help altering the g-code to automatically pause. For me, printing from the PC using Repetier-host was the easiest way to pause. Then you can just insert @pause in the g-code to pause.

To find the right places to pause, check your g-code preview in your slicer. Find the layer that first starts to cover over the bottom magnet space and then the top of the side magnet spaces. See the PauseInsert_x.jpg images for reference. For me this was at the start of 14 and then layer 76 but it may be different for your slicer.

Watch the polarity of the magnets for the best results you'll want two sides with N out and two sides with S out. Then the Tetras will always have 2 faces that will stick together. The easiest way t