Learn casting

Learn casting

Understand the material. Then see where you can take it.

Sep 2026Beyond the first pieceDesigning for moulds, making an object twice, working in small batches, and what changes when people start buying your work.Read Sep 2026Casting materials comparedWhere a water-mixed mineral material sits next to plaster of Paris, epoxy resin and acrylic composites — and what genuinely separates them.Read Sep 2026Casting troubleshootingThe faults that show up most often in cast objects, what causes each one, and what to change on the next pour.Read Sep 2026How to create a marbled effectTwo mixes, one pour, and the discipline to stop stirring. The technique where restraint produces the result.Read Sep 2026How to make terrazzo with FormCastA two-cast technique: make chips, set them in a second pour, then sand the surface back to reveal the pattern.Read Sep 2026How to colour FormCastPigment goes into the mix, not onto the piece. How to test a colour, record it, and repeat it.Read Sep 2026Sanding, surface and sealingHow to take a demoulded piece to a finished object: edges, faces, working through grits, and what sealing is actually for.Read Sep 2026How to reduce air bubblesWhere bubbles come from, the four points in the process that introduce them, and how to get them out before the piece sets.Read Sep 2026Working time, setting and demouldingThe three phases of a pour, what is happening in each, and how to tell when a piece is ready to come out of...Read Sep 2026How much FormCast do I need?A reliable way to work out the mix a mould needs, what a typical object uses, and which bag size that points to.Read Sep 2026The FormCast mixing ratio1:4 for a smoother pour, 1:3 for a stronger mix. What the ratio changes, and how to weigh it accurately.Read Sep 2026How to use FormCast: a beginner’s guideThe full sequence from opening the bag to holding the piece: prepare, weigh, mix, pour, wait, demould.Read