I don't believe that to be true, those settings are most definitely extruder specific. I'm not raging, just posing the question. I know it feels good to rage at manufacturers but may be worth pausing to consider whether there’s a reason things are the way they are? Thats true, I'll wait for their said in Hemera settings for Reprap Firmware?:Įxtruder retraction speed, retraction distance, jerk and acceleration are not extruder-specific, they depend on a lot of other things like print temperature, polymer, motor current, etc. Rant over, does anyone have a good starting point for these settings for the said in Hemera settings for Reprap Firmware?:Īnd then there’s the whole aspect of ranting about one mfgr’s product on another mfgr’s message board - how are e3d engineers expected to get this feedback? These settings should be available as at least a starting point. You know they performed a multitude of calculations and tests.
You know they sized the gears and hobb for a reason. You know they spec'd the motor they did for a reason. Where's the rest? I'm talking about things like the maximum instantaneous speed change (jerk), extruder acceleration. They even list the maximum volumetric extrusion which could give you the maximum print speed dending on nozzle size. Luckily they did include the motor specs which list the current, that's easy enough.
The only concrete information we have is a starting point for steps per mm. If you ask 10 different people, you'll get 10 different answers.
#Hemera retraction settings trial
Instead, we're left to figure out what works by trial and error.
I mean something specifically from the manufacturer. I really wish manufacturers would start including the settings for these things.
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