printrbot GO – wiring woes, duelling fans and a teeny, tiny soldering job

One of the aspects of the initial build of the printrbot GO that I struggled with was how to reliably connect the heated bed.  While it seemed sensible to have the wires for the heating element and for the thermistor come out of the side closest to the printrboard itself, keeping those wires appropriately free for the full travel of the bed AND for pulling out the drawer to fold it up into a suitcase yet also out of the way of the hot nozzle and the endstops for the X and Z axes was a bit of an Read more [...]

printrbot GO – a latch, a replacement part, a handle and a calamity

It took a good long while, but I finally got tired of seeing the front door for the bot open all the time and decided to make a latch for it.  There were some latch designs on Thingiverse, but nothing really close enough to what I had in mind to use as a starting place even, so I just started from scratch in OpenSCAD. What I came up with was a low profile knob on the outside (I wanted it to be lower than the outside edges of the corner protectors) with a shaft going through the door and locking Read more [...]