I saw a cryengine video in which an edge loop is dragged to adjust it just like the ones in paint. I am not sure if that feature is available in Blender. If yes, would greatly help in modelling objects like bridges, arches etc. The link to the video: https://m.youtube.com/watch?v=0X123xPlyWM the curve is used in 00:18 of the video.
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$\begingroup$ As well as the answers here, you might want to look at the Loop Tools add-on, Curve option. But I think its usefulness is pretty restricted. $\endgroup$– Robin Betts ♦Apr 15, 2018 at 21:45
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$\begingroup$ You can create a curve and adjust it with Blender possibilties, then cut the main mesh with that curve by using Knife Project $\endgroup$– Mr ZakApr 15, 2018 at 22:18
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3 Answers
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Anyone who lands here from a search engine, in Blender 2.8, Alt + C doesn't do anything. Curve from Mesh is not even available in the space bar menu. You have to select it from Object > Convert to menu.
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$\begingroup$ Thank you so much for this. The devs have unilaterally ruined all of the knowledge base without a deprecation cycle or allowing for alternative uses. Most of the tutorials on the internet do not work any more, and the documentation is too dry to get anything done. It is terrible. $\endgroup$– jayFeb 10, 2022 at 1:57
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Unfortunately, blender doesn't have a magic button that can do this so you have to do it manually.
- Select the edge loop and press Shift+D and Esc to put it back
- Press P, seperate by selection
- Select the new mesh and in object mode, press Alt+C and choose Curve from Mesh/Text
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4$\begingroup$ Anyone who lands here, this is the correct answer, but in Blender 2.8, Alt + C doesn't do anything.
Curve from Meshis not even available in the spacebar menu. You have to select it fromObject>Convert tomenu. $\endgroup$– dotNETJan 4, 2020 at 10:36 -
$\begingroup$ @dotNET - I would almost go as far as suggest you move this comment into an answer in it's own right. Almost every link I followed when looking for "edge-to-curve" resulted in the alt+C method which is useless in blender 2.8+. This is the only suggestion I've found that works. Thank you and consider moving to answer. I for one, will upvote immediately to help spread the new "correct" method. $\endgroup$ Jun 9, 2020 at 14:44
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1$\begingroup$ It's so dumb that they remove this command from the search bar $\endgroup$ Jul 21, 2020 at 0:01
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The nearest to that functionality would be Proportional Edit - simply select the edge loop in the middle of the structure (rather than the edge), enable Proportional Edit, use Grab (G) and adjust the radius (middle mouse wheel).
answered Apr 15, 2018 at 20:40