Brick stud knobs for cupboards drawers cabinets

These are working brick stud knobs to decorate anything which has, well, a knob! Much more fun than those boring plain ones you got with the furniture! Because bricks are made to such a small tolerance, you need to get the right size studs first. I recommend you do this for each printer you use and each different filament; I've found they can vary greatly between manufacturers. I made all mine in PLA+.Print the 5 test piece plate first. Each piece has a letter A-E cut into it. The knobs are a tiny bit different-sized on each one. Try them all with some bricks, preferably ones which span all 4 studs. Once you've worked out which one is best in your combination, pick the plate with the right knob on it (the letter is embossed into the bottom of each one in case you get lost) and go mad! They print stalk-down and don't need supports. To finish them, you need M4 x 6mm L x 6mm heat-set knurled brass inserts (which Bambu have) and M4 x 25mm cupboard knob screws (which they don&#3