Question re stl files  Topic is solved

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Question re stl files

Postby alsyman » Thu Dec 13, 2018 1:56 pm

I am new to Sketchup which I am trying because I have a 3D printer and Sketchup looks like the simplest software to get to know for creating the sort of things I want to print - time will tell.
I have one initial question though.

I have an stl file of a mounting plate for my printer and I want to modify it.
I had someone import the stl file into Sketchup and send me the skp file - but I found there are lots of 'lines' in the drawing that I, naively, wasn't expecting.I guess these are created because of the type of drawing that the original software created for the drawing.

Is there any simple way to tidy up the drawing (see image) so I can modify it - for example change the size of some hole or an opening.



Re: Question re stl files  Topic is solved

Postby Dave R » Thu Dec 13, 2018 2:32 pm

The geometry in an STL file is, by definition, made up of triangles. When I have to use an STL file, I run ThomThom's CleanUp3 on it right after importing it. This will help to eliminate unneeded coplanar edges. It's also typically a good idea to import the STL file at a larger size to avoid small face problems created by the triangulated geometry. Use meters for the import size.
Etaoin Shrdlu



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Dave R 
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Re: Question re stl files

Postby alsyman » Fri Dec 14, 2018 5:30 pm

Thanks Dave.
I asked the other person to install cleanup and run it on the stl before sending the file to me - and when I opened it it was perfect.

I've modified it had it exported as stl again - converted to g.code and printed it.
It went flawlessly.

Thanks again for your help.


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