I keep up with the trends in 3D printing reasonably well. The other day my friend mentioned that filament thickness sensing had been added to the latest version of the Marlin firmware. I had no ide… ...

The full test rig has a motor-driven feed and takeup spools, and three sensors measuring across the filament in three different spots around the radius; the measurements are averaged together to ...

The 3D printing filament roller supports OctoPrint and Marlin 1.1.x and has this week launched by Kickstarter to raise the $11,250 required to take the hardware into production.