I’ve built a Prusa Mendel i2, with a Smoothieboard v1.1 as the controller. I’m using Pronterface for control. As my first print I’m trying to print a 10mm x 10mm x 10mm cube in PLA. Just to check that corners are actually square etc.
Unfortunately It’s failing really badly! At every corner the printer head stops moving for about 1/3 of a second. The filament keeps extruding, resulting in huge amounts of plastic being deposited at the corners. Here’s a video where you can see the pauses, and here’s the print (I stopped it after only a few layers). You can see the huge blobs at the corners.
Has anyone got any idea what would cause this? I don’t even know how to figure out if this is a problem with the way slic3r is generating the gcode, or how smoothieboard is interpreting it. I’d be very grateful for any help!