parametric modular shelf plank

The fabric on our shoe rack/storage rack by our back door ripped, but the frame is still solid. Rather than shop for a new rack, I decided to create a 3d printed shelf to replace the ripped fabric shelf. Both the depth and width of the rack were greater than the size of my build plate, so I had to make pieces that fit together in a way that allowed the shelf to fit the space I needed it to fit without compromising much strength. There are only corner and edge pieces, no middle pieces, because I do not trust that the design I came up with will maintain structural integrity without the support of resting at least one side on a frame of some sort. If you change the length of any of the tabs, make sure that you also change the depth of the slot that the tab will go into. I printed my pieces upright with the longest tab pointing up, and I used a 5 mm brim as a precaution against adhesion issues towards the end of the print. I have not printed any laying flat, but I would imagine that it wou