I created these to easily replace the magnets for my cabinet child locks.  They are designed to fit up to three 20mm x 3mm magnets stacked in series.  I remixed the original design to make the magnets captive versus a screw together design.  The magnet keys are compatible with popular lock manufactures (e.g., Babygo, Vmaisi, etc.).  However, it is important to get the polarity correct on the magnets before placing them in the print.  They must repel or push away from another key to correctly disengage the magnet lock.

I have included the .stl files as well as the .3mf file with the correct G Code pause to insert the magnets into the print.  All models are identical in function with different aesthetic designs.

Print Settings:

• Overture PLA+ 
• 0.12mm layer height 
• x-y hole compensation of 1.8mm (you may have different setting for your printer)
• 3 perimeters (likely overkill)
• No supports
• No brim