Mark Rehorst's Tech Topics

During some recent hunting for the source of a print quality problem with UMMD, someone posted something about a new hot-end on the Rep-Rap ...

As part of UMMD's conversion from SmoothieBoard to Duet Ethernet, I needed a stand-off mount for the Duet board that would allow me to r...

The biggest problem with the remote print cooling setup I tried here was that the blowers can be a little hard to get or expensive to buy. ...

Configuration Part of the conversion from SmoothieBoard to Duet involves deciding what has to connect to what and then configuring the boa...

Back when I started designing and building my own 3D printers about 6 years ago, Arduino/RAMPS was all there was to control a 3D printer.  E...

Warning This is a project I started to see if the Rino worm drive used in UMMD could be replaced with a lower cost alternative made using...