Insulated Chapstick Case

Insulated Chapstick CaseMeet the tiny fortress your chapstick deserves—double walls, air gap, and heat‑dumping fins that laugh at summer dashboards. It won’t stop the sun, but it’ll stall it long enough to keep your balm solid instead of soup. This double‑wall design traps a 4 mm layer of still air that slows heat transfer by replacing solid plastic with a low‑conductivity gap. External fins increase surface area so the outer shell sheds incoming heat to the surrounding air before it reaches the cavity. Print in white, or another light colored/reflective material, to decrease the amount of heat absorbed, and keep your chapstick cool. Try to keep it away from sunlight. It was designed for chapstick, but it should work well with lip balms, or other things, that are less than about 66 mm long and 16 mm in diameter. ************UPDATE: I uploaded a new larger version with a print profile called “For Larger Tubes.” I recognize that there are lots of lip balms that are bigger than Chapstick.