Category Archives: Uncategorized

Configuring the Duet 3 The Duet 3 configuration and other system files I use are based on the ones that I published for Duet WiFi/Ethernet running RepRapFirmware 3. They are configured so that X0 Y0 is the centre of the … Continue reading →

The E3D Tool Changer is a versatile platform for multi-material 3d printing, laser cutting/engraving, and associated techniques requiring a stable XYZ motion system. Although it is also available with fewer tools or no tools, the common configuration is four 3D … Continue reading →

I’ve just switched mobile phones from an iPhone 3G to a Motorola Defy. Of course, I wanted to move my contacts and future calendar entries. Apple doesn’t provide any sort of general export facility for iPhone data, so this required … Continue reading →

Hi, I’m David Crocker, and I run a software consultancy and tools company specialising in critical software. If you’re interested in that topic, visit my work-related blog on formal verification of C/C++ software.  I’m creating this additional blog primarily to … Continue reading →