12/25/2022 0 Comments Ultimaker cura first layer settings![]() ![]() I have mine set to 20mm/s second and never have trouble even with the zigzag used as support base. You could spend time working out the most optimal speeds etc or you could go slow just to be safe. Printing a large flat surface like a cube you can go faster than something with lots of small islands or using a lot of support where the print lines are more complex. If you are using a prusa with smooth sheet that is perfectly clean in, pla, you can lay down a faster first layer with less chance of problems than say if you have a printer with a different surface. Ideal First layer speed is entirely dependant on your printer and the material you are printing as well as the complexity of the first layer. RE: Print at one speed for first layer, then a different speed for the rest? Tl dr: Setting it to 75% probably didn't have much effect because 75% of the speeds you're using are likely already exceeding the hardware limitations. Ignore that rate and you're likely to run into extruder skips and jams. If you're using PrusaSlicer, it will also respect the Maximum volumetric speed setting which corresponds to the maximum amount of plastic the E3D V6 hotend can melt and process (advertised at 15mm^3/s, closer to 11.5mm^3/s in practice). You are far better off changing your speeds in your slicer, developing a separate high speed profile there so you'll have control over what is actually printed. The printer only accelerates and moves so fast, and by over-riding the slicer settings, you're basically entering unknown territory speed-wise and any of the safeguards build into the slicer are thrown away. You're increasing printer movement rates, but you're still subject to the physics affecting the printer. It's slower, but better to have a good 1st layer that supports the entire print than a fast one that fails 20 hours into a long print and wastes all that time and filament.īe aware that if you're dialing speeds up using that front knob, it can be a bit misleading. 75% will set it to 75% of whatever speed is used for the feature being printed (those in the box above that setting). If you set it to 75, it will use 75mm/s (which is awfully fast for a 1st layer). Is "75%" the wrong syntax, should I enter it as "0.75"? Thank you! ![]() But when I started the new gcode, the printer started off on the first layer like a bat out of hell at 200%. my printer was set at 200%, which seems to work fine for my print on the upper layers because it has a lot of straight lines in it, so I changed the "First layer speed" setting in Prusa slicer to 75% and created a new gcode. Posted by: that setting didn't seem to do anything. ![]()
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