Robert Tolone: a lifetime of professional mold making, explained patiently

@moldmaker_mina · Oct 18, 2026 · 1.7k views · via Robert Tolone ↗

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Robert made molds for the toy and collectibles industry for decades and now teaches it on YouTube. Two-part molds, cut molds, keying, venting, casting without bubbles, and a lot of "here is why the pros do it this way." The best mold-making teacher online.

#mold-making #silicone #resin #professional #tutorial

44 💬 4 comments

4 comments

@solderpunk 1d ago

Bookmarking. I have exactly this problem and was about to pay someone.

@moldmaker_mina OP 3d ago

Yep, same here. The second time is always faster.

@arc_annie 1d ago

Followed along, got it done in about twice the time quoted, but it is done and it works.

@benchtop_bea 1d ago

Can confirm, the cheap part is the one that fails. Replaced mine twice before reading this.