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gcolbourn

gcolbourn

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<p>Open Source Hardware (currently selling 3D printer kits) and Effective Altruism. semi-u on ebay. Best prices on semiu.co.uk<br></p>

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RichRap

RichRap

57 objects 604 Followers 604 Downloads

<p>Richard Horne (<b>RichRap</b>) is an&nbsp;El...