When I'm traveling I shave in the morning and inevitably check out of my hotel, requiring me to throw a wet brush in my bag. Designed this container to both hold my brush without getting damaged in a packed suitcase and with venting to allow it to dry.
Designed around the Synthetic Omega S-brush S10018, this should fit most other brushes that don't exceed 35mm in diameter. Adjust scale for anything wider. Want to design one sized perfectly to fit the Omega 11047 Mixed / mighty "midget" brushes at some point. The 11047 is the best travel brush I've used and my last one was ruined because - you guessed it - it couldn't dry out properly in my bag and ruined the knot.
Used 3 shells and 3 top/bottom layers to basically make it solid, infill is only for the very top and bottom.
.2mm works well. With variable layer height I printed threads at .15 and the rest at .3 and the cap threads on silky smooth.