DavidAlexander

You have NO IDEA how much you just helped me! Followed your instructions and it worked like a charm! Another slicing software showed 1,623 non-manifold edges. I created the Y by using the loft and shell commands, re-uploaded the stl file and it now shows 0 non-manifold edges. Oh, so happy. I'll make the part and upload the full project to help anyone who want's to build their own PAPR respirator. I'm not on Youtube or anything so if anyone wants to post this project to whatever forum to help others, be my guest. 3M and the other companies charge way too much and regular people should be able to afford this too. Thanks again.

Ah ok, I'll give it a try

Oh, YOU ARE THE BEST!!!!!!!! Ok, I'll delete the Y and redraw the loft path and circles and upload it! My hiccup was when I tried to make the center Y part. I made an outer Y, inner Y, and used the Subtract tool for the inner Y. I should've only done the loft for the outside face of the Y, and used the Shell command. The problem is that I didn't know how to orbit while in the shell command, and I was only able to shell 2 ends, but the Y has 3 ends. The circles are for the outside shell loft and the inside can be 2mm thinner so the walls are 2mm. 👍 M A N I F O L D.dwg.zip

Oh wow, great catch. Nooo, definitely not a model feature for the flow to narrow. Also there should be no divots on the model. Layer cooling fan does work, I must not have turned it on. This is my very first time using Cura and I'm still figuring out the settings but I will try to find the cooling fan option and turn it on. I designed this in Autocad (attachment 1) and my problem is that when I export to STL, the manifold completely disappears (attachment 2). I hired someone on Fiverr to correct the drawing so it doesn't leave out the center part when exporting. I think they might have redrawn the design but I didn't receive the source file and they only sent the STL file so I don't know if the drawing is bad or if some settings in Cura need to be changed? Can I pay someone to help me?

Thank you so much, Dustin. I'm a bit embarrassed but I see what you were talking about 🙂 Do you think it would be safe to print this file?

Hi Greg, thank you for the reply. Is there a way I can fix it, or is the drawing bad? I spent 2 days on the drawing and really don't want to spend a week trying to figure out what I did wrong and how to redraw it and am hoping there's a relatively easy fix?

For some reason the only a tiny portion of the sliced object appears on the preview and the rest is greyed out (see screenshot). Did I maybe do something wrong? I'm using a .8mm nozzle, a glass bed and PETG filament and printing with an Ender5. Any advice would be greatly appreciated. I uploaded the Gcode. Oh, and I'm making a PAPR respirator for under $100. Some brands sell them for almost $2,000. More than happy to upload the full details to help anyone that would sand drywall, wood, metal, or paint something and not want the dust or fumes. Thanks, Dave Manifold Cura.gcode