For the records. I solved it by changing the python code.by BenZ - Skeinforge
Hi tutu My first thought was that the layer below is thicker where the wave occurs. If the head moves over the thicker thread, with a constant extrusion, then the thread gets wider => wave. Why is the thread below thicker?.... - Filament with changing diameter? Tried you to use another Filament? - Extruder not thight enough so it has too little grip. - Filament roll not turning easily so theby BenZ - Skeinforge
Hi My Skeinforge (latest version) adds a "undo retraction" step (positive value) right at the beginning of the print. I found in dimension.py that the "undo retraction" is added after a M101 command. Well, I didn't looked too long. The effect is, there are large blobs at the first layers since the extruder has pumped 3mm too much filament into the hotend. If I remove the retraction command manualby BenZ - Skeinforge
For the records: My huxley's heated bed stopped working recently. I checked many things and discovered that the MosFET was badly soldered. It worked as soon I pushed on the FET.I had to resolder the two pins and now the bed works again.by BenZ - Huxley