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have printing problem
using simplify3d for slicer ,hull bow 89 is full printed ,no walls gaps just solid part
i use standard 35% infill rotate to be printed vertically/vase position
but it just wont to make hollow
same time hull front is 40% holow (mid part) and rest is solid
same for interface hull .all solid
only hull middle wasn't solid and hull back 140

don't know what to do