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Questions tagged [bezier-curves]

A Curve is an object that is expressed in terms of mathematical functions, rather than as a series of points such as vertices. Use this tag for any questions pertaining to the "Curve" Object type in blender. Use this tag for questions about curve object types in Blender.

715 questions with no upvoted or accepted answers
7 votes
0 answers
640 views

Is there a low level alternative for bpy.ops.object.convert(target='CURVE')?

(Note: Somebody asked there nearly the same question as me and got a very nice answer. However, this was to convert an object to a mesh. I have exactly the same context as this person but I want to ...
Arnaud's user avatar
  • 183
7 votes
1 answer
244 views

Is there any way to turn coordinates into curve?

I recorded fly camera movement, so I got keyframes with coordinates. Is there any way to turn the camera coordinates in keyframes into curve?
Sergey Kravchenko's user avatar
6 votes
0 answers
5k views

Mirror modifier with Bezier Curve

I am trying to mirror a bezier using the mirror modifier. I would like to then make the original and mirrored bezier join/merge as one continuous curve with one direction. I then want to continue ...
Edward's user avatar
  • 61
5 votes
0 answers
375 views

How to calculate bezier curve handles positions to reproduce a known curve?

The question in the title is too general, but this is the idea. For instance, if we look at a bezier circle, we can notice that the handle position is 0.55213 aside the control point. What is the ...
lemon's user avatar
  • 60.5k
5 votes
1 answer
861 views

Getting NURBS in and out of Blender

Is there a working way to get NURBS curves into and out of Blender? FBX supports this, but when I import an FBX with NURBS, the curve is not created. I've tried with several versions. FBXes exported ...
CMK_blender's user avatar
5 votes
0 answers
334 views

Automated way to find the center line of a 2d mesh?

Given the simple 2d mesh pictured below, is there an automated way to create a curve or line that follows the middle of the mesh? I am able to do this manually with a bezier curve, but it would be ...
Geuis's user avatar
  • 200
4 votes
0 answers
92 views

What are possible options to flatten an object due to weight and viscousity, or fake it :)

I've modelled this kind of toothpaste piping. Trying out beziers etc. Now I'd like to make it look as if the matter is being squished a bit, via gravity or some other technique. The look I'm after is ...
Christo Steyn's user avatar
4 votes
1 answer
286 views

Is there any way to render a perfect curve just like pointclouds in blender?

When we use the 'curve to mesh' node in geometry nodes, sometimes we cannot get an ideal results because mesh overlap frequently happens and leads to bad shading on surface, just like this figure: So ...
Shiki Ryougi's user avatar
4 votes
0 answers
333 views

Why can't I move the control points in all 3 dimentions?

The movement of the control points on my bezier curve is restricted to X and Z, while I want them to move in the Y-axis too. Why is this so? Thank you. P.S. This was never an issue with other bezier ...
Meriil's user avatar
  • 332
4 votes
0 answers
88 views

How to retain speed on a "follow path" modifier even if the path is scaled up or down?

I've added "follow path" modifier to my armature and insterted keyframes so that the armature follows the path between 0-100 frames (the offset goes from 0.0 to 1.0). Everything looks fine ...
DoneForAiur's user avatar
4 votes
0 answers
342 views

How to split unconnected splines into separate Curve Objects without bpy.ops?

The following code separates unconnected splines into individual curve objects just fine (as far as I can tell). ...
Armored Wolf's user avatar
4 votes
0 answers
5k views

Where did the 'Use UV for Mapping' option go in Blender 2.8?

I'm following a tutorial using a 2.7 version of Blender, which shows how to use UV unwrapping on beveled curves to make a texture follow the shape of the curve (I'm making stylized hair and would love ...
Marten's user avatar
  • 149
4 votes
0 answers
95 views

Hook and curve transformation

I do not know English very well and write via Google translator, but I need your help. I need that bezier would retain its shape of a semicircle when I bind the last and the first vertex to different ...
ValeGoG's user avatar
  • 61
3 votes
0 answers
200 views

Geometry nodes: is there a way to create a centerline of a closed curve/mesh?

See above image for a reference. For this kind of closed curve I would like to create a centerline. I have previously worked with an extension in Inkscape which creates a centerline but it is cutting ...
muckyu's user avatar
  • 171
3 votes
0 answers
58 views

Can Blender Bezier spline curves be G2 continuous?

Are Blender Bezier spline curves G2 continuous when the Handle Type is set to Automatic?
user299831's user avatar

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