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I need help with the solids in Sketchup [message #42536] Mon, 23 January 2012 06:29 UTC Go to next message
avatar Kyle772  is currently offline Kyle772
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Registered: January 2012
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Ok well earlier today I made a cell phone case for my phone and I spent about 6 hours on it. Everything was fine until the final build of it and now when I upload it I get missing pieces everywhere and the flat areas are making odd shadow changes. I haven't made much differences since the one before it but they were precise measurements that I would rather not start over again. Is there a way to make all the problems show up in sketchup? As far as I can see it is perfect but Shapeways doesn't agree.

I attached the design below can someone help?

Also this is what is coming up in shapeways
http://www.shapeways.com/model/448498/htc_mytouch_4g_cell_ph one_cover___untested.html?gid=ug

[Updated on: Mon, 05 March 2012 08:22 UTC]


- Kyle
Re: I need help with the solids in Sketchup [message #42544 is a reply to message #42536 ] Mon, 23 January 2012 12:08 UTC Go to previous messageGo to next message
avatar underitall  is currently offline underitall
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Hi Kyle772.
I've just had a quick look at your model, and first thing I notice is that there's alot of reversed faces, I quickly sorted these but it shows a few more problems.

One view is this, it has multiple faces overlapping:
http://img197.imageshack.us/img197/9844/phhldr1.png

There is also alot of faces inside the shell that don't need to be there, you need to look inside every part of the model to get rid of unwanted parts, otherwise it will either not print, or may fall apart when printed.

This is what I'm talking about, the face marked in red should not be there, or any reversed face inside a shell like that, and I think the yellow faces should either not be there, or must be reversed:
http://img38.imageshack.us/img38/4954/phhldr2.png

For reference, the view above is just inside here:
http://img525.imageshack.us/img525/6791/phhldr3.png

The model would IMO need some time spent on it to get it ready for printing, it's just a time consuming process removing unwanted faces/lines and making sure the faces are all facing the right way.

All I did to your model was reversed the faces that needed to be, other than the ones which overlap with others.

Hope this helps,
Tom.

Re: I need help with the solids in Sketchup [message #42546 is a reply to message #42536 ] Mon, 23 January 2012 13:54 UTC Go to previous messageGo to next message
avatar denali3ddesign  is currently offline denali3ddesign
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Hi Kyle,

You can use this tool to help you find other problems:

Solid inspector


If you're new to 3D printing, learn the secrets from a professional. Get my book "3D Printing with SketchUp"
Re: I need help with the solids in Sketchup [message #42557 is a reply to message #42536 ] Mon, 23 January 2012 16:15 UTC Go to previous messageGo to next message
avatar aeron203  is currently offline aeron203
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denali, I wanted to give Solid Inspector a try, but it doesn't work so far. I'm using SketchUp8, TT_lib2 is installed. Any ideas?


Aaron - 40westdesigns.com/blog
Re: I need help with the solids in Sketchup [message #42558 is a reply to message #42557 ] Mon, 23 January 2012 16:25 UTC Go to previous messageGo to next message
avatar denali3ddesign  is currently offline denali3ddesign
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Aaron, did you make the geometry into a group or component?


If you're new to 3D printing, learn the secrets from a professional. Get my book "3D Printing with SketchUp"
Re: I need help with the solids in Sketchup [message #42559 is a reply to message #42536 ] Mon, 23 January 2012 16:28 UTC Go to previous messageGo to next message
avatar aeron203  is currently offline aeron203
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No, just sketched out some basic shapes and gave it a shot. I also tried it on an imported model after exploding the elements.


Aaron - 40westdesigns.com/blog
Re: I need help with the solids in Sketchup [message #42561 is a reply to message #42559 ] Mon, 23 January 2012 16:39 UTC Go to previous messageGo to next message
avatar denali3ddesign  is currently offline denali3ddesign
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Ok, it only works with groups or components, so that's an easy fix! Smile


If you're new to 3D printing, learn the secrets from a professional. Get my book "3D Printing with SketchUp"
Re: I need help with the solids in Sketchup [message #42563 is a reply to message #42536 ] Mon, 23 January 2012 16:43 UTC Go to previous messageGo to next message
avatar aeron203  is currently offline aeron203
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Ah, well there we go!

Thanks.


Aaron - 40westdesigns.com/blog
icon14.gif  Re: I need help with the solids in Sketchup [message #42565 is a reply to message #42563 ] Mon, 23 January 2012 17:03 UTC Go to previous messageGo to next message
avatar denali3ddesign  is currently offline denali3ddesign
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Sure, glad to help!


If you're new to 3D printing, learn the secrets from a professional. Get my book "3D Printing with SketchUp"
Re: I need help with the solids in Sketchup [message #42612 is a reply to message #42565 ] Mon, 23 January 2012 23:19 UTC Go to previous messageGo to next message
avatar Kyle772  is currently offline Kyle772
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Thank you so much Tom!

Is there a simple way to reverse faces in Sketchup? I usually don't use Sketchup for being read by anything other than me so I never really thought reverse faces would be a problem. Is there a good tutorial on the details of Sketchup that would make things like this easier? Thanks!

Also Can the inside of all the walls be completely hollow? From what I understood those had to be put into complete pieces then connected for it to work. :\


- Kyle
Re: I need help with the solids in Sketchup [message #42613 is a reply to message #42612 ] Mon, 23 January 2012 23:23 UTC Go to previous messageGo to next message
avatar denali3ddesign  is currently offline denali3ddesign
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To reverse faces, just right click -> Reverse faces.

Yeah, you want the interior of the model to be completely hollow. Think of it as a container for the 3D printed material - any geometry inside will interfere with the printing.


If you're new to 3D printing, learn the secrets from a professional. Get my book "3D Printing with SketchUp"
Re: I need help with the solids in Sketchup [message #42614 is a reply to message #42613 ] Mon, 23 January 2012 23:44 UTC Go to previous messageGo to next message
avatar Kyle772  is currently offline Kyle772
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Oh that was simple enough... Embarassed
Thanks ;P


- Kyle
Re: I need help with the solids in Sketchup [message #42616 is a reply to message #42614 ] Mon, 23 January 2012 23:47 UTC Go to previous messageGo to next message
avatar Kyle772  is currently offline Kyle772
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I have a lot of these lines within the walls do I have to erase every single one or will those not interfere?

http://i.imgur.com/sCOFF.png


- Kyle
Re: I need help with the solids in Sketchup [message #42627 is a reply to message #42616 ] Tue, 24 January 2012 01:40 UTC Go to previous message
avatar denali3ddesign  is currently offline denali3ddesign
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Those should be deleted...its easy with this plugin: Cleanup


If you're new to 3D printing, learn the secrets from a professional. Get my book "3D Printing with SketchUp"

 
   
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