3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
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In my experience this is just how 90° overhangs are. It can't be perfectly flat because if it was it would fuse to the temporary supports. You might be able to get better results with better fillament cooling (or lower fillament tempatures), but afaik some artifact will always be there. So unless I'm mistaken you can't really "fix" this issue and you are most likely better off designing around it and adding some extra tolerance when you have to use overhangs like this.
You can change the support top layer settings and mess with if there is top layers and how many there are, then adjust the gap between support top layer and the first layer of the print on top of it until it’s supported correctly and comes away easily.
Ah, noted.
Yeah considering this was basically printing in the air, it looks quite good.
I have thought of that too but I didn't have this issue with the other filament I used. The 90° overhangs were rough, but they didn't have lines falling off like with this one.
If I can't figure this out I will just re-design the piece to print in two parts and get some 3d gloop or something to stick them together