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This question already has an answer here:

I am attempting to extrude a logo that has been imported from an SVG file. The SVG file was made in Adobe Illustrator. I deleted many extraneous layers (at this point, curves) upon import to have just a few main layers.

However, I then desired to extrude this, either through a solidify modifier, or the extrude option in the curves panel. Whichever I try, the result is the same: even if the thickness is 0.1, the shape will go off into infinity for the extrusion.

It appears that the vertices are fine and there are no duplicate/overlapping ones (but please check me), and so I have no idea what could be causing this! This is the first time I've ever tried importing an SVG like this to use, so any pointers are welcomed!

showing extrusion off to infinity with settings http://imgur.com/CNc66lt enter image description here File: https://drive.google.com/file/d/0B7ijsxQTdUhXQnFqYXNGN1VlRnM/view?usp=sharing

Thanks, Nathan

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marked as duplicate by Duarte Farrajota Ramos♦, cegaton, iKlsR♦ Jun 23 '16 at 5:17

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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Your object is very very small and has a very large scale.

  1. Select all your imported curves and apply scale with Ctrl + A > Scale
  2. Join them all together with Ctrl + J (select them all and then make sure you click-select at least one last curve to make it the active object, so it will act as receiving curve other curves will be appended to)
  3. Now enter edit mode in the new curve
  4. Select all vertex and press Space Bar
  5. Search for Set Curve Radius
  6. Enter a value of 1.0and press enter

You should now be able to extrude successfully You can now separate all curves again into their original parts by entering edit mode, selecting each spline individually and pressing P Separate

Just a side note, when using curves always prefer the builtin extrusion method over solidify, it is more reliable and has better features like allowing non destructive beveling

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    $\begingroup$ please flag the duplicates so that you don't have to re-write the answer over and over. Use close and select duplicate of... $\endgroup$ – cegaton Jun 23 '16 at 4:02
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    $\begingroup$ please read: blender.stackexchange.com/help/duplicates $\endgroup$ – cegaton Jun 23 '16 at 4:43
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    $\begingroup$ and meta.blender.stackexchange.com/questions/549/… and meta.blender.stackexchange.com/questions/506/… and meta.blender.stackexchange.com/a/435/1853 $\endgroup$ – cegaton Jun 23 '16 at 4:46
  • $\begingroup$ I have seen the other answers before I posted here, but it will not allow me to join my curves, so I thought it was a different question. Basically, I'm stuck at step 2 on the answer above :/ $\endgroup$ – Nimex Jun 24 '16 at 13:46
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    $\begingroup$ For some reason, the lightning bolt still wouldn't cooperate, but everything else did! I just traced over the lightning bolt since it was such a small part and made a new mesh (plane; added vertices; extruded). Thank you for clearing up everything for me! Big help! :) $\endgroup$ – Nimex Jun 26 '16 at 3:32

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