Slow Printing Speed
Closed this issue · 11 comments
For some reason after this recent update that changed the appearance of the slicer I am getting really slow printer speed. I have tried changing my minimum movement speed but it seems like it is still overriding that value. If I had to guess it prints at about 1/10 of a mm/s. I'm using an ender 3 v2. It wasn't doing this until this update.
can you attach a workspace (.kmz) that I can use to replicate? keeping the same workspace and switching between 4.0 and 3.9 produces very different gcode?
It's not allowing me to attach a (.kmz) file type in github
please email to [ sa at grid dot space ] or DM me on Discord. thanks
this looks like a rendering bug in Preview mode (checked every version back to 3.6). in the example you provided, the rendered paths are showing up as very slow, while the actual gcode does not match. when I re-import the generated GCode, it's a totally different picture showing more normal extrusion rates. this particular print shows a 4.5 hour print time.
this is a good torture test. I'll use it to figure out what's going on and report back here.
aha. your output speeds are all 0, which leads to undefined behavior.
when I put in more sensible settings, things turn out better. I would also recommend using linear, triangle, or grid infill. Gyroid isn't helping here and takes tons more memory.
there is one remaining issue which is the model reports as 'non-manifold' which leads to a solid layer in the middle of the otherwise hollow sphere (it's in the trench area). i'll see if there is anything I can do to work around that, but fixing the model would be helpful.
I've added a fix for the non-manifold slicing that will be in 4.0.6