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My buddy has a cold plunge and this filter started cracking. After looking at it you can tell it's definitely 3d printed (and well)
On the left you can see my first attempt. I just cut rectangular holes in CAD and it's pretty close but not pretty. Printed in PETG on a K1 Max
Is there a way to do this in the slicer instead? I played around with 0 walls and different infill types but that didn't work out
I hope you meant PLA. Printing in PVC is a hilariously bad idea unless you do it inside a lab grade fume extractor or something. There's a reason barely anyone makes PVC filament.
PVC releases chlorine when heated which is not only incredibly harmful for you, but will also oxidize with and corrode all the metal parts in your printer and probably eventually embrittle its plastic parts as well. This is also why you should not make bongs out of PVC.
I suspect they meant ABS given ASA is also in their reply. No idea how good either material would be in this application, I just don't think it's possible to print PVC.