Just like my H key, this is an A key. You need a few of these if you want to bind books with cords.
Either print the .stl on a 3d printer or lasercut the .dxf on a laser cutter or simply print out the .dxf and glue it on some chipboard and cut it out.
Category: PartsThe author marked this model as their own original creation. Imported from Thingiverse.