Hobby / Needle File / Hex Bit Caddy

Update 2/12/17 I added a version of the hex bit box and the three row file caddy that have a bottom surface that prints on the model (opposed to a bottom you have to glue on). This allows you to print the model, pause the printer before the top is printed, add sand or other filler into the cavity, and then continue printing the top surface over the filled cavity. This gives you a one piece item filled with sand or other filler that is ready to use when it comes off the bed. You could use inf