I swept a curve 360 degree between two rails. The resulting surface will not boolean union with the closed poly surface I’m trying to mate it to. When I do a ‘shownakededges’, it shows that I have openings. I’m not sure why or how to fix it. It’s been awhile since I’ve been here so am a bit rusty.
Uploading the file…Tailpipejointry2.3dm (2.7 MB)