ChainringGen is an OpenSCAD script I wrote that can generate a bike chainring with any specifications you like.

You can download ChainringGen here:

You can control parameters like bolt-circle-diameter (BCD), number of bolt holes, number of teeth and other stuff.

I primarily created ChainringGen … (read more)

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Recently did an interview for BBC’s Outriders radio show / podcast:

Topics include cloud chambers, my Resistor Photo ID iPhone app and tinkering in general.

Jamillah Knowles did a great job putting this together! I came out sounding far more coherent than I … (read more)

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