Crayon Recycling Kit

You might have jar of old broken crayons. Or maybe your crayon just broke in half. Use this kit to cast a new one. You can either cast silicone mold, or print a plastic one. However i was unable to successfully cast crayon in printed mold (even though it should be possible). Therefore i recommend you to cast a silicone mold.Casting silicone moldPrint one Crayon Mold BasePrint one Crayon Mold SidePrint six pieces of Crayon Mold PinAssemble Crayon Mold Base and Crayon Mold SidePrepare two part silicone, i used around 30 g of mixtureOptionally degass silicone mixturePour silicone into assembled mold and let it cureCarefully remove cured siliconRepeat this process to create two parts of silicone moldAssemble mold Insert six Crayon Mold Pins into one mold halfAssemble two silicone parts togetheruse rubber bands or tape to fix the moldProceed to section Casting crayons for next steps Using printed moldUsing printed mold is simpler procedure but it can be tricky to get the cast crayon out. I was unable to do so.Print two halves of Crayon MoldPrint six pieces of Crayon Mold PinPost processing and fittingtop face of each mold half should lay flat on each other, you might need to sand thempins should slide to mold but should not wobble (transition fit), you might need to sand the pins a littleAssemble mold (secure both halves with rubber bands or tape)Proceed to section Casting crayons for next stepsCasting crayonsOnce you have mold created you can start with casting.Get small container that can be heated and allows you to easily pour molten waxyou can either heat it water bath, in that case you can just cut small PET bottleor you can heat it on stove, in that case you can use tin cup or small potPut crayon bits into containerMelt the wax in containerCarefully pour molten wax into mold and let it cool downCarefully unmold your new crayonFinishing and notesYou can print provided labels (or create your own) and use wood/paper glue to secure it on your new crayonsMelting and pouring wax is not particularly dangerous, but you should still be careful not to get burned (and not to spill colored wax everywhere)You should recycle any (recyclable) trash that is created in the processFinished crayons are 83 mm long and have 12 mm in diameterThe wax will shrink as it cools down - you should If you like casting check out my Silicone Soap Mold