View 3D Printed Concrete Mold UK. If your print/printer is anything like mine, the mold itself is actually porous, which isn't great for concrete because when it sets it will cling to the sides and so i coated the inside of the mold with petroleum jelly which simultaneously acted as a sealant and lubricant, so it would be easier to take out. Download files and build them with your 3d printer, laser cutter, or cnc.
If you've printed with flexible filaments before, you know you need an extruder that has a contained path.
Cement candle using 3d printed mold. 3d printed concrete pot mold prism, cyilinder, hexagon, triangle, sphere, icosahedron, diamond, cone. If your print/printer is anything like mine, the mold itself is actually porous, which isn't great for concrete because when it sets it will cling to the sides and so i coated the inside of the mold with petroleum jelly which simultaneously acted as a sealant and lubricant, so it would be easier to take out. New design possibilities to leverage optimal structural forms by combining materials and features.