soldering sponge holder

Holder for 63x40mm sponge used for cleaning tips of soldering iron. For better stabily I recomed print without bottom layers, with grid infill 10mm apart and for biger weight pour gypsum in ininfill. After curing and drying create antlislip silicone bottom. Cover bottnom of holder with silicone sealant and ligtly press on flat surface protected with masking tape and grease lightly spreaded for easy separation. After curing trim exces silicone with box cutter.