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Moderators: Winston, aew
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| aew |
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aew   Registered Member #1929 Joined: Wed Nov 30 2011, 03:05pmPosts: 2927 | It's all a matter of EXIFs Claire!  If you want more info, there's a post in the 'website how to...' forum. | ||
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| daves |
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| Registered Member #105 Joined: Wed Jul 15 2009, 12:01pmPosts: 3560 | i have been in contact with Auto Deck fusion360 team about the funny rendering of Mohameds STL files. it seems i found a problem in fusion it was not Mohameds file or the hardware or any setting i was playing with.  | ||
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| daves |
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| Registered Member #105 Joined: Wed Jul 15 2009, 12:01pmPosts: 3560 | so this seems to be a bug in fusion360 that is causing this i did some simple shapes in fusion then rendered them and they are clean and sharp. so fusion can not read STL files very well    [ Edited Wed Sep 02 2020, 02:20pm ] | ||
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| daves |
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| Registered Member #105 Joined: Wed Jul 15 2009, 12:01pmPosts: 3560 | i wonder if AutoDesk will give me a free pro version of Fusion360 for finding a bug in their program? well until they fix it i guess i will have to practice with Blender [ Edited Wed Sep 02 2020, 03:50pm ] | ||
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| mrshanks |
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 Registered Member #5745 Joined: Sun Aug 16 2020, 02:56pmPosts: 1285 | Most excellent!! | ||
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| daves |
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| Registered Member #105 Joined: Wed Jul 15 2009, 12:01pmPosts: 3560 | i figured it out there are 2 types of files mesh files which are STL files and solid files when you bring in a STL file into fusion360 you have to convert that file from a mesh to a solid. This is why you see all the weird angles because a mesh file is made up of thousands of triangles and a solid is well a solid object. program like Sketchup converts a mesh to a solid so does windows 3D view but you can not edit or do anything with those files except to look at them when you convert a mesh STL file in fusion now you can work with the file and edit it. i can see this is going to take many many hours of using the program Fusion and Blender in order to create printable files or files for CNC [ Edited Sat Sep 05 2020, 03:14am ] | ||
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| PoulD |
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 Registered Member #5749 Joined: Fri Aug 21 2020, 12:33pmPosts: 77 | I don't think it is a bug. From what I have read: As soon as you are exporting your cad drawing into an stl file you have changed the geomitry and lost essential infomation. An STL file is basically only usefull for 3D printing. There are no real curves at all in an STL file, it is just a simple text file with, as you say, coordinates of triangels and straight lines only. Those triangles are all totally flat so any round faces in an STL file is in reality made up of a number of totally planer faces, facetes. To make faceted surface looking smooth the software plays some tricks. This is also possible in CAD programs but those tricks won't actually reverse engineer the geometry, it is just paying tricks with your eyes. There are different ways to reverse engineer stl into true cad but it may not always work for complicated objects. Here is one way to convert stl into solid using Fusion 360 https://knowledge.autodesk.com/support/fusion-360/getting-started/caas/simplecontent/content/how-to-convert-stl-mesh-to-solid-fusion-360-part-12.html | ||
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| mrshanks |
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| Registered Member #5745 Joined: Sun Aug 16 2020, 02:56pmPosts: 1285 | Yes, STL files (stereo lithography) are nothing more than thousands of geometric triangles placed together to form the object. There are no actual curves or smooth shapes inside a STL file. The only real purpose of an STL file is for output to a 3D printer. It may be helpful for everyone to know that I am also able to take native STL files and directly import them into Vectric Aspire for 3D CNC carving as well. I have a library of thousands of pre-rendered STL objects already available for use. | ||
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