6 inch tile with dovetail joints

I wanted something unique to go with the shelf brackets I made.
https://www.thingiverse.com/thing:2743913

Since my printer is not 24" long, I had to come up with something that I can print a little at a time and put them together. Something modular...

I came up with this. These are really simple square tiles that have dovetail joints built into them so you can slide a dovetail into them to hold them in place.

You will need excellent printer adhesion to make these since they are quite l