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z hop causing rough surface scars

4d_printer

By 4d_printer
in UltiMaker Cura

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4d_printer

4d_printer 0

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Posted · z hop causing rough surface scars

I am trying to engrave 0.25 mm text into a 2 mm back plate and fill it in with a different color filament later. Without z hop (top print), there is digging between some characters (e.g. "2" to " 3" and "3" to "A") but the overall surface is good. 

When I enable z hop (middle) there is some random digging, and the surface appears more dotted/patchy? 

 

I didn't notice a significant difference with z hop only over printed parts (bottom), as the top layer is still not very good.

 

In all cases I have ironing top layer enabled. Is z hop supposed to affect the top layer like this?

z hop comparison.jpg

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