Gridfinity baseplates that can bolt to multiboard support brackets as shelves. Push fit holes for 6mm magnets
Current sizes: 2x2, 3x2, 4x2, 5x2
Can be printed without supports if your printer can handle the magnet hole bridging.
Gridfinity Baseplates can either be pushed fit onto support brackets or bolted on.
Multiboard Support brackets
If bolting on to support brackets use a spacer and bolt. Easily tightened with a quarter.
The author remixed this model.
Gridfinity Refined was used to design the baseplates.