For about the last year I've been using my B-camera on a camera slider and the connection between the two was a 'Z' mount. It was OK, but had a severely limited range of motion, and in the last few months the friction bolts that hold the bits in place have become less able to do their job. I decided to make a mounting of my own based on an old anglepoise lamp. I had begun a project with this a few years ago - I was going to make an adjustable video light using a square biscuit tin with some LED strips inside it. But for some reason that barely got started and I now have enough adjustable video lights so there's not much point in building another one. I removed the light fitting and shade from the lamp, and this reveals a circular holder to connect a new 3D printed part into. This part is basically a mash-up of an Arca-Swiss-style quick release holder and a notched disc that fits into the holder ring on the lamp. It's incredibly simple and hugely effective. The range...