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stl file errors or slicing?
Posted: Sun Nov 23, 2014 9:10 pm
by autox3d
I have printed several files and I am getting what looks like an echo in the print.
For example there is a hole and then there is a ripple of curves on the surface next to the hole.
Is this a STL issue where it was not exported in a fine enough mesh or a slicer issue?
Re: stl file errors or slicing?
Posted: Sun Nov 23, 2014 11:18 pm
by jimc
no, this is a hardware issue. usually called ringing. it can be from a number of things. almost all consumer 3d printers do this. some more than others. many times its just in the design of the printer itself. when there is a direction change there is a vibration that travels through the hardware. this is what is causing it. you can reduce it by lowering your acceleration and perimeter print speed.
Re: stl file errors or slicing?
Posted: Mon Nov 24, 2014 8:02 am
by dennisjm
Sometimes rotating the part 45 degrees on the z-axis also helps. That way both carriages are changing direction on the corners so the equally absorb the direction change instead of just one axis absorbing 100% of the change.