A particularly pleasing version of this are these concrete dumbbells whipped up ... and used to create the 45 degree chamfers at each edge. Mold-making veterans will tell you that release agent ...

Expressions LTD specializes in Sink and Edge molds for concrete, custom doorbells, house numbers and commercial signage plaques. We also carry an extensive line of concrete fabrication products ...

[Thomas Sanladerer] wanted to create some molds using 3D printing for concrete and plaster. He used a delta printer with flexible filament and documented his process in the video below. If you ...

Cardboard concrete form tubes are molds that you pour concrete onto for ... by cutting a 3" portion of the cardboard from the factory edge, then using a hose clamp to expand and contract the ...