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Ultimaker Community of 3D Printing Experts


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  1. Yes, I have a quite high jerk (20 mm/s if I remember correctly). Any higher makes terrible ringing patterns, especially along y-axis on tall objects (i3-style printer).
  2. I have an idea to make the filament extrude more evenly. When you print fast, but with low acceleration (to reduce ringing) the corners of the model get "squished out" as the pressure in the hot-end doesn't equalize quickly enough. I'm sure some of you are familiar with this: To prevent this I'm suggesting a new feature, I don't know what it should be called, but something along "extrusion time offset". The extruder would have a time offset of e.g. -0.2 seconds, which means that the extruder extrudes 0.2 seconds before it should've extruded if it was setup normally. So the extruder's instru
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