rwleigh Posted April 3 Share Posted April 3 Can anyone shed any light on why when i print objects that I've drawn perfectly cylindrical, they print with flats all the way round as seen in the attached photos. This is a little funnel i wanted and it works perfectly but just wondered why it does this, I've drawn it both with the cylinder command and the revolve command and it does this either way. Quote Link to comment Share on other sites More sharing options...
rwleigh Posted April 3 Author Share Posted April 3 Thought I'd try printing it the other way up on the 30° angled end to see if that made any difference... It didn't. Quote Link to comment Share on other sites More sharing options...
SLW210 Posted April 3 Share Posted April 3 Hard to know without seeing the file. What type of object is it? Solid, Surface, etc. How is the model being sent to the printer, with a .dwg or some other file type? .stl? What is VIEWRES and FACETRES value? Quote Link to comment Share on other sites More sharing options...
rwleigh Posted April 4 Author Share Posted April 4 It's a solid object i created myself and it was sent to the printer via Bambu Studio over Wi-Fi. See the STL file attached. VIEWRES is set to Y and FACETRES is 0.5. I've also tried printing it on our big Fortus 450mc with much the same result. It seams to be something to do with the slicing to me. merc2.stl Quote Link to comment Share on other sites More sharing options...
SLW210 Posted April 4 Share Posted April 4 FACETRES needs to be 10, IMHO. Lots of information on smoothing .stl files for 3D printing. The .stl looks like the printed object. Quote Link to comment Share on other sites More sharing options...
SLW210 Posted April 4 Share Posted April 4 Maybe do a little reading up on .stl. AutoCAD 2017 Help | About Exporting Stereolithography STL Files | Autodesk Quote Link to comment Share on other sites More sharing options...
rwleigh Posted April 4 Author Share Posted April 4 2 hours ago, SLW210 said: FACETRES needs to be 10, IMHO. Lots of information on smoothing .stl files for 3D printing. The .stl looks like the printed object. You're absolutely right, the FACETRES was causing the issue. Just tried 10 and it looks much better as an STL, printing now. Thanks for your help... Quote Link to comment Share on other sites More sharing options...
rwleigh Posted April 9 Author Share Posted April 9 Just as an update to this thread, here's a print showing just how smooth it looks now... 1 Quote Link to comment Share on other sites More sharing options...
SLW210 Posted April 9 Share Posted April 9 What 3D printer are you using? What material? Glad it helped. Quote Link to comment Share on other sites More sharing options...
rwleigh Posted April 9 Author Share Posted April 9 That was printed on a Bambu Lab A1 mini using this silk filament which i find really good for the price. ZIRO PLA Silk. Quote Link to comment Share on other sites More sharing options...
rwleigh Posted April 24 Author Share Posted April 24 If anyone wants to print a funnel for themselves, i have put both the petrol and diesel versions here: Fuel funnels. Quote Link to comment Share on other sites More sharing options...
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