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Forum: 3D Design
 Topic: Tinkercad Shortcuts
Tinkercad Shortcuts [message #111583] Thu, 05 March 2015 01:37 UTC
avatar unkerjay  is currently offline unkerjay
Messages: 18
Registered: January 2015
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Junior Member
Just stumbled across this:

http://blog.tinkercad.com/keyboard-shortcuts/

VERY useful if you're learning Tinkercad or wouldn't mind
a useful reference.
 Topic: Inkscape - Openscad / Inkscape - Tinkercad
Inkscape - Openscad / Inkscape - Tinkercad [message #111581] Thu, 05 March 2015 00:41 UTC
avatar unkerjay  is currently offline unkerjay
Messages: 18
Registered: January 2015
Go to all my models
Junior Member
If you didn't already know, Tinkercad imports SVG files from Inkscape.

Also, there's a converter for Inkscape to Openscad (both programs - FREE). And from
Openscad, you can edit (if you like), compile the saved file and export it to STL format.

The Openscad exporter is here:
http://www.thingiverse.com/thing:25036

Instructions are here:

Linux:
http://jfayel.net/post/58351618292/inkscape-gets-openscad-co nverter

Windows:
http://blogs.msdn.com/b/rihamselim/archive/2013/06/08/how-to -convert-pretty-much-any-image-to-a-3d-object.aspx

[Updated on: Thu, 05 March 2015 00:43 UTC]

 Topic: Best practices for modeling with 3d Max
Best practices for modeling with 3d Max [message #111579] Thu, 05 March 2015 00:24 UTC
avatar Gigasaurus  is currently offline Gigasaurus
Messages: 2
Registered: March 2015
Go to all my models
Junior Member
I have used 3d Max for some time, but never for 3d printing, and I had a couple of basic questions. I use 3d Max 2011.

My first question is about the smoothness of a somewhat cylindrical lathed object.

If I create an object by drawing a line-shape and using "Lathe" you have a "segments" setting. For a low setting of "16" segments, the smooth cylindrical surface will probably look segmented. I could crank that "segments" setting way up (but of course the mesh becomes more complex and Max runs slow). I am creating a cylindrical boiler for a steam locomotive, and want a nice smooth curve. Is there a best practice for what to do here? Are there any smoothing benefits to converting to an "editable polygon"? Can I assume my "smoothing groups" at the mesh level do not help when modeling for printing? I know I could always crank the segmenting up on my "Lathe" modifier, but I'm wondering what the best solution really is.

My second question is about Boolean vs Attach.

I need to add a bunch of little rivets and pipes on the surface of my boiler. As long as my sub-objects all overlap as they should, is there any difference between using "Attach" and "ProBoolean" to ultimately bring all these little pieces together in the end? As a simple example, if I created a cylinder and wanted to put little rivets on the outside of that cylinder, could I use small spheres for my rivets, make sure they overlap, and then use "Attach" or "ProBoolean" to unite everything in the end?

I'm excited about trying my first 3d print.

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