Customizable Desiccant Box with further customisation

warning: bridges galore, or retraction galore.

pretty much the same as jewzaams version, except this allows you to change the floor so it aligns with the walls, and allows you to change the slot length on the sides separately from the main slots (allowing for easy removal of that pesky center pillar on the sides (i like 40x40x150 boxes with 25mm slots, but this results in the small sides having short lengths (like 10-50 mm slots, thus making a ugly pillar in the middle of them.

purely cosm