Black Cat

Another nice weekend project: a stuffed cat. Using a pattern from this link I made a nice black cat. It has the same silly look in its eyes that young kittens sometimes have 🙂 It is a very nice A4-design. Just print out, cut fabric, stitch everything together and stuff it…Read more


Another nice DIY weekend project. A baby-cradle that can be fixed to the side of a bed, so both mattresses are flush.Read more

Nylon Extruder from soldering station

Of course, the machine described in the previous post was never meant to have a sole purpose of pizza printing (which it admittedly does badly) but to become a repstrap machine so I can build a sweet Mendel. Next step after a cartesian robot is the plastic extruder. Although other people have tried to useRead more

Pizza Plotter

Bringing personal fabrication to your kitchen: the pizza Plotter. During one of the last lectures I gave for Creative Technology about reprap‘s and personal fabrication one of the pizza hungry students (Symplexity) pointed out the necessary connection between pizza and production. Thus the idea for a Pizza Printer was born. The previous posts on theRead more

Repstrap V2

Some time ago I tried rep-strapping using 5-1/4” diskdrive motors and MDF wood. (see here). The motors turned out to be way too weak, the M5 thread way to slow. Perhaps a larger thread (M12) and some bigger steppermotors can save this evening of work. In this second attempt I have been using only theRead more

Internet enabled Furby

Finally, the holy grail in physical computing and interaction design. Lo and Behold, the internet enabled furby! Whenever you need an email-warning you can stroke, or a furry newsreader, here’s the starting point for your project.. ahum. I used a lantronix Xport ethernet-to-serial interface to connect a normal Arduino duemillianove board to the internet. TheRead more

Fablab version of simpleWalker

At the protospace fablab I made a laser-cut wood version of the simpleWalker. It took only 5 minutes on the laser cutter, instead of an hour behind the bandsaw! I used 4mm birch plywood. The robot works well (and smells like a campfire … oh well…) Again, it can be seen walking on YouTube (butRead more

Arduino brain for simple walker

In the first version of the simple walker I used a custom atmega32 based board. I replaced it by a ‘custom’ version of the Arduino which I dubbed ‘ottantotto’ The microcontrollerboard is a breadboard version of the ‘ottantotto’ controller. It uses an ATmega88 instead of mega168 (mostly because they are cheaper, they sell forRead more


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This is a try-out of a FabLab-ready kit design for a 2-Servo walking robot. The design is inspired by the lynxmotion kits and the designs by david buckley. The goal for this project is to make all mechanical parts for the servo walker out of 1 A4 size sheet of plywood (or perspex, lexan, delrin,Read more