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johnroy22222

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  1. Hi, I ve been trying to re-use a perfect design of an air-vent from here : https://www.thingiverse.com/thing:3195581 This original design has no issue at all. Being fully aware that in the end i ll have to restart from scratch my design , I can't figure out why my modifed version of the air-vent has its geometry closed... (the top of the air vent should be opened, there are 3 openings, the sliced result, and the PLA printed part, has its top surface fully closed, no air can go through !) I ve played a bit with the exciting new "Mesh fixes" parameters of Cura 4.7.1 , (which could save a lot of time in flawed design...amazing new features !) but with no success. The sliced air vent output is still closed. I tried meshmixer in an attempt to first "automatically fix the design" (it requires some talent with the various settings...) with no success and secondly to "drill" the closed openings. But no result either. I m aware i ll have to redesign from scratch (the thread is a complex part for me, re-use is still a welcome solution), but if anyone has any hint of how else I could address this... Clearly my design is the issue. But why is Cura closing such big openings ? Is there some ground rules which I failed to follow ? Is there some workaround in Cura ? Thanks in advance JR air_vent.3mf
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