Rugged box for ER8 collet set

Here's a box to organize an ER8 collet set. Use 4 screws: M3x30 for the hinges and latch. Base : 20% infill, no support Lid : 20% infill, tree support to base only. Block support the screw holes. It's just he couple spots for the hinge that need support. Latch : print on its side. Solid. Seal if you want it - TPU. It will not make it 100% watertight. Add a little bit of packing foam in the lid to keep everything in place.