Under Storage A1 Mini

This is a work in progress! I wanted a storage system that I could put with my A1 Mini as I wanted tools and spares readily available (lack of space ). So designed this system to go under the A1 Mini. A spares box for hotends/extruder and other ‘replaceable parts’ the rest for tools and general storage. I made an interlockable base to hold everything together( The ‘H’ interlocks are a very tight fit and my need slight persuasion to go in!) The base needs 4 pieces. I just mirrored it in the slice