Pen Blank Silicone Casting Mold

This creates a reusable master mold, designed to making silicone molds for wood turning pen blanks to be used on a wood lathe. It is a two piece master molds, otherwise you would have to destroy the master in order to remove the cured mold. It will provide up to 6 pen blanks that measure 155mm long, 20mm wide and 22mm high so as to incorporate additive materials such as Bambu filament poop or other things such as plastic gems, coffee beans or wood scraps. Print out the rectangular base and the rectangular retaining wall. They have tight tolerances to be careful when assembling the master mold. Once the wall is in place, use a small piece of tape along each bottom each to ensure that the two pieces stay together prior to pouring in the silicone epoxy. The retainer has been included for use when actually using the mold to create pen blanks. This is for the event the sides of the mold distend when filled with silicone. I have not had that as an issue. For my mold in the picture, I used ST