A fully laser-cut, clip-together Raspberry Pi Case Click to see more…

Atomic Duck

Deferred Procrastination's first project - an open source velomobile. Click to see more…


A WordPress plugin to automatically add rel=lightbox to hosted images. Click to see more…


A WordPress plugin to automatically tweet when a post is published—includes support for la_petite_url. Click to see more…

Recent Blog Posts

2D laserable outlines from 3D CAD solids

  I’ve been creating in Onshape much more recently, even creating 3D models of items to laser cut. At some point though, I have to export the outline of the sheet shape, so the laser can cut the outlines, and I need to extract that from the model some how. This is possible to do, … Continue reading 2D laserable outlines from 3D CAD solids

Posted on Thursday 3rd September, 2015

Nerf Range and MFUKLC

Aside from the smaller “5-minute projects” that I do, I also like to do a bigger, display project each year to take to shows like MakerFaire UK and MakeFest Liverpool and Manchester. Last year’s was the internet connected train set. This year, it’s a full blown foam dart range, with scoreboard, countdown timer, RFID registration … Continue reading Nerf Range and MFUKLC

Posted on Saturday 30th May, 2015

SSL certificate and CSR generation

SSL certificate and certificate signing requests have been causing me some trouble over the last few days; and as I have it all sorted, but will need to do it all again in a year’s time: here’s the process I used. I’m just looking to generate a certificate for a single subdomain at a time, … Continue reading SSL certificate and CSR generation

Posted on Wednesday 13th May, 2015


"The days of companies with names like 'General Electric' and 'General Mills' and 'General Motors' are over. The money on the table is like krill: a billion little entrepreneurial opportunities that can be discovered and exploited by smart, creative people."

Cory Doctorow, "Makers"

...maybe not yet, but it is already beginning.

The world still lives with mass-produced products; designed to averaged, normalised, focus grouped specifications, where one-size-doesn't-quite-fit-anyone. It buys proprietary products, locked boxes with stickers that say "warranty void if opened". But contrary to popular misinformation, products are never finished. There is no "best" design. How is what you need the same as what everyone else needs?

What if a product was open? What if you could see the work that went into it? If your ideas were as valid as the designer's and made-at-home was just as good as made-by-us?

That's what we do. Open Source Design Engineering.
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