# 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.

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### Geometry Nodes: Is it possible to connect point instances with curves? (Blender 3.0)

on my current scene I am trying to create a geometry node system that let's me distribute power poles along a street. The street is made of a curve and I can of course use that curve in combination ...
52 views

### Array of structures on a curve with increasing size, no deformation and equal distance

I'm trying to create simple objects (e.g. cylinders) on a curve like a circle. The objects should increase in size but the distance between the objects should remain constant. Furthermore, I don't ...
53 views

### Weird thing happens when i apply transforms to mesh (photo)

Helo, i used curves to create hair. I converted it to mesh. But i cant aplly all transforms. When i do aplly all transforms my mesh gets destroyed and looks weird. The same problem appears when i try ...
47 views

### Is it possible to manipulate the normals of the curve?

Using the curve and object bevel on it, I got the approximate shape of the object i need. But to get exactly the form that I need, I had to convert the curve into a mesh and change the form in edit ...
16 views

### How can I control the exact transform value of bezier curve handles?

I want to make a perfect 90 degree bezier curve. How can I enter a value for the transform of the curve handles and control points?
14 views

### Parent to Vertex Triangle Glitching Motion

I've parented a camera to a simple geometry object using the vertex triangle. The object is just a three-vertex shape which follows a Bezier curve with a 'Curve' modifier. I've parented a camera and a ...
12 views

### Uniform Bevel Depth - Curves [duplicate]

I would like to add uniform thickness to all curve objects in my scene. Even though the bevel depth is exactly the same and all objects have applied transforms, the thickness varies across all objects....
42 views

### Bevel path tapering with none selected

I am trying to trace over and copy a pattern with a bezier poly curve with a square plane set to the profile in order to achieve a 3d representation. You can see the pattern here, however when I ...
101 views

### How to make trails that look like this below?

I'm trying to remake this logo from Hanna-Barbera in Blender 2.79. I've tried using a Bezier Curve with the rectangle trail effect inside, but it just doesn't work. I know how to use Nodes, so I am ...
31 views

### How can I control an objects location on a curve with a given axis? Or have the objects movement being relevant to a specific axis?

I want to have an object follow along the curve. I'd like for the object to move at a constant velocity in the X direction regardless of the Y-displacement on the curve. I tried using the clamp-to ...
27 views

### Remove Doubles in Blender 2.93.1 Not available? How to remove double vertices [duplicate]

I was creating Bowling Ball Pin with bezier curves when i spinned the curves to make the pin out of it there are some double or overlapping vertices which i want to remove but i am unable to find ...
78 views

### Making a ring mouth

I am trying to make a ring smiley mouth, as seen in the image below: And here is what I have so far: I've made a circle, converted it to a curve, and applied bevel. In Edit Mode, I moved the ...
134 views

### Blender array modifier "fit curve" when using scaled "object offset"

I have a curve and I'm repeating an object along that curve. Setting the array modifier on the object to "fit curve" works great until I also use "object offset" with a scale to ...
23 views

### Cylinder cross-sections become inconsistent when using curve modifier

I drew a bezier curve and tried to applied curve modifier to a long cylinder with this bezier curve. I noticed that the generated cylinder has self-penetration on its cross sections. How to avoid this?...
192 views

### How to export an animation that uses a curve modifier?

This is my animation of a shotgun ammo belt. It uses a set of placeholder Plane meshes along a Bezier curve that instance my shell model. By moving the planes across the z axis, the shells feed into ...
51 views

### Particle animation inside transparent object

I am new to Blender and I'm currently working on creating particle animations that follow a curve using Particle System Emitter and a Bezier Curve. The particles are rendered as Halo. [Animation ...
16 views

### how to array along straight curve correctly?

i want to array this corbel along a path , as you can see it's complicated so i can't just use profile and bevel curve ; so i had to use array and curve modifier but i have a few problems , first one ...
35 views

### How to place closed Bezier curve on surface of object?

I am trying to create a closed curve on an object, so I can fill it up. I added a Bezier curve and in Edit Mode I changed the Spline Type to Poly. Then I clicked on the object where I want the curve ...
33 views

### How do you manipulate both the START and END of an instanced point distribute in geometry nodes?

I am essentially trying to create something like this, where the fibers have a centrally located starting point, and all radiate outward to the periphery of the object. Preferably these instanced ...
16 views

### How to get a key or data of a vertex of a curve using a ray cast?

I have curves where 2 or more curves share the same position and i I want to know those keys or identified of every point with a raycast, but ray cast just works with meshes, do u know how to use ...
20 views

### I cannot fill the 2d svg image

I am following the youtube video below https://www.youtube.com/watch?v=PeXu0Kkoaqg In video at 2:49 he fill the image with f I wanted fill the custom image like that way So I converted curve to mesh ...
31 views

### Modelling a non destructive pump track using bezier curves

been trying to model a simple pump track using just bezier curves and modifiers and have found a few road blocks. This is basically what I'm trying to rebuild using bezier curves and modifiers. First ...
19 views

### Animate object instances following multiple paths

I have a multiple curves construction (as one object) that is animated on slow appearance by time (the curves round bevel animated). Now I need to add the same object at the beginning of each path (so ...
24 views

### Having problems with curves 2.93.1 [closed]

I'm having a problem with the modifier curve, I would like to know what I'm doing wrong, the curves is flattening and widening an object, like this: In case I'm being a noob, sorry in advance.
43 views

### Curved Ceiling with Depth

I am trying to figure out how to get to this shape of ceiling but failed to figure out what is the technique or how to approach it. Attached is an image on how I want it to appear (Done through ...
89 views

### Is there a way to export DXF without triangulation

I was wondering if there's a way to export a mesh to a DXF file without Blender doing it's triangulation and get a similar result as if your mesh was a curve. Let me elaborate what i mean. I needed a ...
27 views

### How to export curved animation with Collada

I made several animation and exported them with Collada and used in my mobile application. But my last animation was using curve animation (some objects following a curve path) and I noticed that no ...
30 views

### Is there a way to turn this strut/Spring into a Nurbs Curve?

I have a spring that I want to convert into curve (Nurbs Curve specifically) Is there a way to turn the mesh into a curve without having to trace it out. This mesh is way to decimated so clitic links ...
23 views

### How to shift frames on time line for one of objects on curve animation

I have two objects on a curve animation. One is duplicated of other. When I change timeline both of them move along the curve on top of each other. But I want to shift frames for one of them so one of ...
724 views

### Snake Defensive Display animation

How one would approach this specific snake motion in Blender as shown in reference: Reference source Reference source The position of the snake visibly remains almost static while the body parts ...
77 views

### how to lay cables onto a mesh and cut the cables in a specific way

i am making a model, my goal with the model was to replace his inner body into a span of cables like you would see in si-fi movies, or maybe games like fnaf so that the inner body even though replaced,...
96 views

### Bezier curve spline point rotation using python script

I'm currently to write a script which can arbitrarily create mesh from Bezier curve. I used bpy.context.object.data.splines.active.bezier_pointsfor finding spline ...
270 views

### How to curl a curve?

I need to control the curve somehow so it becomes curly in one area and straight in others. It would be also useful to be able to control the radius of the curl and the quantity of the rings. It is ...
11 views

### How to duplicate a curve from the center point along another curved path while rotating the curve and keeping the origin at the center for every curve

Here is a simple helix curve. This will act as the path for the second curve. This is the Curve Path. Here is the same curve but mirrored along X so that the curve passes through the first curve. ...
33 views

### Curve loses animation data when converted to mesh

I have a curve simply animated in my scene. I have converted the curve to a mesh and once I do that, the mesh doesn't have any of the original curve's animation data applied to it (although the mesh ...
30 views

### Sphere not following path correctly

So Im trying to make this sphere to follow this spiral, but when I parent them the ball starts to spiral but outside the path! any ideas?
5 views

### My Animation Render Camera is positioned different then the camera view in my viewport

I have keyframed my camera to follow a bezier curve and scroll up a sculpture. It looks great in the camera viewport but then when I render out the animation the camera view is slightly higher on the ...
51 views

### Object Bevel on Curve twists around curve when moving any curve point

I'm working on using curves to make hair. The curves have a profile bevel which is a shape I've created from another curve. When I move the points around, however, the orientation of that bevel ...
37 views

### Plotting multiple, separate, closed Bezier objects from dataset of xyz coordinates

I am new to blender and am using python within blender to do the following: Read in list of coordinate data for bezier curve objects - DONE For each unique object within the dataset, take that ...
305 views

### Why is my curve modifier not working?

I want the mesh to follow the curve and to bend accordingly without any distortion. So far absolute failure... My teeth mesh just won't follow the curve, instead it gets stretched on an axis and ...
157 views

### Follow path object goes to infinity and wont stop

I have been struggling for the past 2 hours to make an object follow a path. The problem is that the object doesn't stop at the end of the curve (doesn't matter if I use path or Bezier) it just goes ...
50 views

### Curve has Rounded Edges. Sharp edges wanted

I imported a wavefront (obj) with curvedata from Rhino. My problem is, that all curves have a rounded edge when I look at them in object mode. In edit mode, everything looks good. When I convert the ...
66 views

### Why does the curve modifier cause the object to move to the left?

I'm having the same issue as user A Allen in: Problem with curve modifier When I am in Edit mode, the curve modifier doesn't work but when I go to Object mode, the curve modifier works but the object ...
60 views

### Moving a Bezier handle only moves the keyframe

When I grab a bezier handle on a keyframe it only moves the keyframe. This is with the aligned bezier handle type enabled as well. To top it off, when I make a new keyframe ahead of the broken ones, ...
72 views

### "Selection to cursor" not working in blender

This is how my blender model looks like. I have inserted an uvsphere and a curve and i wanted to attach that curve path to particular point of sphere. I changed the center of curve path to the end (...
67 views

### curve modifier problem with applying rotation

hello , in the picture above i was trying to deform the plane along curve , i add the curve and rotate on Y to align with the plane , but i was need to apply rotation to make the both curve and plane ...
24 views

### Bezier Circle looks flattened like Tapeworm [duplicate]

This problem is pretty simple. I am trying to make a perfectly round tube like a pipe. I made a bezier circle and increased the depth to make it thicker but now it looks like a flattened oval. How do ...
88 views

### How apply texture to a curve [duplicate]

I have a cable texture and a simple curve. I want to map the texture on the curve so that it looks like a cable. Note : I dont want to convert the curve to mesh and the map with uv. Reason is i dont ...