Simple locking tab joints

[evansd2]

Yeah that site is really good. I posted about another similar joinery guide here:

Acrylic Honey Bee

There are lots of ways to make self locking notches. I goofed with it a while ago and made these guys: [image] It represents 4 concepts, 1&2 can be backed out but 3 and 4 are fairly permanent. Once you click them together it’s almost impossible to undo 3&4. I took some inspiration from the 50 digital joints project, found here. The cross “x” joint in particular is relevant. Edit: so the nice thing here is that the pieces are identical. 2 #1 pieces will lock together, 2 #2 units, etc. make…