On 2013-05-13 8:47 PM, Gordon Williams wrote:
> Casting your own gear without making it oversize and machining it down to
> size is unlikely to work very well or for very long.

It's not a high speed or precision part. The rollers turn at less than 4
RPM and there is enough play to allow for quite a bit of error in gear
size with respect to the quality of the mold.

Plaster is an excellent mold material. I think this should turn out
better than expected.

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