Fastening Laser Cut Acrylic

There are all sorts of ways to connect laser cut pieces, each with its advantages and disadvantages; some are more complex, bulkier, stronger... T-bolt joints, slotted joints, etc. But I haven't seen this one anywhere... Threading a square cross-section length of the plexiglas itself.

Design an appropriate length tab on your piece. The width should be the thickness of the material (I used 3 mm), the length should be the thickness of the part it will go through plus the thickness of the nut