[solved] Tinkercad

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ailstyn
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[solved] Tinkercad

Post by ailstyn » Tue Oct 11, 2016 1:56 am

Has anyone tried exporting an SVG and importing to Tinkercad? I'm getting two odd problems; first the size of the drawing is completely different. Its scaled correctly but about 4x larger in each dimension. Not a huge deal but I don't want to keep resizing things when they should both be operating in a mm scale. Secondly it's not importing all the shapes. Below is a screen capture of the 2d drawing and the 3d rendering. One of the boxes is being recognized as a negative but the other shapes aren't.

Thoughts?
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Husky
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Re: Tinkercad

Post by Husky » Tue Oct 11, 2016 2:34 am

Hi ailstyn - welcome to the forum,
ailstyn wrote:... Secondly it's not importing all the shapes. Below is a screen capture of the 2d drawing and the 3d rendering. One of the boxes is being recognized as a negative but the other shapes aren't.

Thoughts?
I have no experience with Tinkercad but if it is able to read some of the shapes then you should figured out what are the differences between the readable and unreadable entities.
My cold guess would be: Explode everything in QCAD before you save it as a svg and try it again in Tinkercad.

Good luck!
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ailstyn
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Re: Tinkercad

Post by ailstyn » Tue Oct 11, 2016 2:50 am

Progress! Sort of? Still searching, I'll update when/if I find the answer.
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Husky
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Re: Tinkercad

Post by Husky » Tue Oct 11, 2016 3:34 am

It looks much better - not good - but better ... :lol:

I assume you have to explode it further - maybe 3(?) times ...
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andrew
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Re: Tinkercad

Post by andrew » Tue Oct 11, 2016 8:09 am

Exploding is not a good idea in this case. You'll have to keep your polylines intact to make sure they are exported as paths into SVG.

There are two ways to solve this: in QCAD or in an SVG tool such as Inkscape.

QCAD

Make sure that the outer polylines have a different orientation than the inner ones. For example, if the outer polyline is clockwise, all inner polylines must be counter-clockwise. To check the orientation of a polyline in QCAD, you can use the property editor and go from one vertex to the next. To reverse the orientation of a polyline, simply select the polyline(s) and choose Modify > Reverse.

Alternatively, you can simply import the SVG file into Tinkercad and then reverse all polylines which don't show up and generate the SVG again.

Inkscape

After exporting to SVG in QCAD, open the SVG in Inkscape.
- Select your geometry and choose Object > Ungroup
- Select all inner paths in Inkscape and choose Path > Combine
- Select the outer path
- Press shift and select the combined inner paths
- Path > Difference

You now have a single path consisting of an outer path and inner paths which are known to be holes (that's what the difference does).
This file should also import fine into Tinkercad.

ailstyn
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Re: Tinkercad

Post by ailstyn » Tue Oct 11, 2016 2:51 pm

Success! Took a bit of fiddling to figure out how to use the vertex bits, ended up drawing the boxes as a polyline in a clockwise fashion rather than converting a box to one.
Thanks!
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Husky
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Re: [solved] Tinkercad

Post by Husky » Tue Oct 11, 2016 4:01 pm

.... looks good! :wink:
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