YASS (Yet Another Shelving System), customizable

A simple, parametric shelving bracket and triangular gusset system.

There are 2 parameters in the *.scad file, width (the width of your planks) and hole (the diameter of the holes to suit the screws.)

Obviously, for any bookshelf, you need 2 uprights and a number of horizontals. These are usually cut from the one width of plank. You'll need 2 brackets per horizontal and at least 2 gussets are recommended. For example, a 4 shelf unit like mine requires 8 brackets and 2 gussets

The bracke