3D printed tooling

Cuda416 said

That's awesome. I used to see the guys making molds and forms from wood etc when modeling ducting for under hood intake systems etc. it was summer job I had during my college years, flow testing catalytic converters for big diesels. It was always cool watching them do there thing.

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Proper old fashioned pattern making in Jellutong wood, no filler no mistakes, a lost trade. I did a small amount of that using modern synthetic equivalents, they meant you could get away with slapping filler everywhere to fix any errors, much more forgiving but not as beautiful as a proper wooden form.