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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19 views

Curved hair does not move behind the bone [duplicate]

I created the hair using a curve. I can attach the hairstyle to the hair without weights, but the hair in the ears does not work even when combined with the body. When I try to connect them, I write ...
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1answer
266 views

Erratic “railway” in Blender

I have a pair of rather complex-looking curves, which are both slightly different. Now I'd like to make a cube array fit between the two curves, think of a railway. However, the tutorials online are ...
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Simple Railing follow a curve with sharp angles

it's a problem that i didn't never find a proper solution for. I'm trying to make a simple railing following a 3d curve. Simple as that. So the setup is the usual, object -> array -> curve. BUT. ...
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Extra Objects addon: Presets are missing paths

There are two Extra Objects addons that ship with Blender and just need to be enabled in Preferences to use. One is for adding Mesh objects of various shapes. The other is for adding different kinds ...
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1answer
18 views

Attach curve to the character

I have a stylized character with a mouth made from curve. The curve has lots of shape keys, so the character could speak, smile, etc. The problem is I can not attach this curve to the face, so it ...
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1answer
40 views

Mirror modifier on a curve doesn't work as excpected [duplicate]

I would like to make a two wires wound on themselves like for light garland (like a spiral). To make it easier i use a curve (i will later add bevel and array modifier). But I have a problem with ...
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17 views

Is there a way to edit the animation curve in the graph editor for all axis at the same time?

Is there a way to edit the animation curve in the graph editor for all axis at the same time? I want to create a custom curve for moving from point A to point B, but I do not want to make this custom ...
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28 views

Geometry Nodes - rotate point along curve tangent

How can I rotate each point so that each follows the tangent of the curve using geometry nodes? Right now, every point’s rotation is the same.
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22 views

wave + curve modifier

i have setted the movement of the butterfly with a wave modifier, but when I try to make the butterfly move along a path with a curve modifier it messes its form and the direction of the wave. I want ...
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1answer
90 views

Animate mean tilt of all control points

In a curve, each invidivcontrol point has a value called Tilt. Changing the tilt will essentially "twist" the part of the curve. To change the tilt I simply select a control point, and ...
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1answer
16 views

curve bunch of objects without joining them

i made this mesh out of bunch of objects and i want to curve it using the circle curve and the curve modifier : and i only know one way to do it, by joining all of the objects into one and curve it ...
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Edge Slide or divide Curve section into unequal cuts?

I know I can subdivide between two curve vertices to get a new vertex exactly in the middle of them, but is there a way to either create a control point NOT right in the middle from the get-go (e.g. ...
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1answer
26 views

Struggling to understand curve extrusion [duplicate]

What I am experiencing a lot in blender is invalid curve extrusion size. It works just fine for non-scaled curved but it gets messy once curve is actually scaled. Steps to replicate... Create a curve ...
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How do I make a curve with multiple parts, all connected parametrically?

I'm looking to model the nozzle for a rocket engine in Blender to use in an animation, and I want to be as accurate as I can. This means using math (and a lot of it) to make the model. My problem is, ...
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19 views

Why Curve bend at the corners [duplicate]

Making a simple L type Road. With the curve, mesh making follow the path. Scale and it has enough verts.Why at the corner its not a sharp edge. its going curve. I do not think this is the answer. I ...
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1answer
18 views

Curved interpolated transition between surface and upright circle

I'm trying to make an object consisting of a curved flat shape transitioning to an upright circle. I already made some edges for the transition profile using curves. If I convert those curves to a ...
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1answer
17 views

Curve start and end mapping don't work

I was making a simple logo animation, and I wanted a curve to appear with the Start/End Mapping option, but when I try doing it, nothing happens. When I do try it with other curves it works normally.
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6 views

Apply softbody result to CURVE

When one wants to 'save' the result of a softbody simulation, they apply the softbody modifier either directly to the mesh or as a shapekey. I am trying to perform this on a curve (simulating a string)...
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1answer
19 views

Shrink/Fatten not working; due to parallel vertices/handles?

Alt+S for Shrink/Fatten doesn't work for me on these bezier curves, and I think the problem is that all the vertices/handles are parallel to the curve length. How do I fix this? Thanks!
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9 views

When i add a hook modifier to a 2d filled bezier circle the fill dissapears

When i add a hook modifier to a 2d filled bezier circle the fill dissapears. Im trying to use it to anaimate a crude mouth. Help please!
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15 views

How do I edit a curve without having to change any origins to the curved meshes?

I have a curve that representates an off-ramp. Parented to the curve is two meshes, roadway and inner lines. The modifier to the two meshes are an array to fit curve and curve modifier to deform along ...
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8 views

Affect curves with wind force field?

I have grass that Ive made individually from tapered curves here, and I want apply a gentle breeze to them. I dont see a way to apply force fields to curves though - you can make the curve itself emit ...
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11 views

Loop through a collection of bezierCircle [Python]

I have this code: ...
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24 views

Adding a driver to the tilt attribute of a bezier curve to link it to a hook using a python script

I started using blender and python a couple weeks ago, and have been doing okay with the documentation that is available on the internet. Now I ran into a problem though. I am trying use a hook as a ...
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1answer
30 views

Using a custom shape as bevel object

I discover blender and python API for blender. I would like to create celtics works with blender using python (for cnc works). I found a way to create a sine curve and use a Bezier circle as the ...
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27 views

curving and object

I am doing the Ice cream tutorial and I'm having trouble with curving the object. I followed the instructions many times and even started from scratch to fix the problem and still nothing. Everything ...
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14 views

why is the object and the curve not aligned?

I have been trying to solve this issue but I'm unable to solve it. I don't understand why it's already offset. I'm new to blender so maybe it's a setting problem but I have checked everything.
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1answer
32 views

3ds max user want to find Refine and Connect tool in blender

Hi I'm a fellow user of spline modeling and I cant find the "refine and connect" from 3ds max in blender this option just create a line/segment between two points/vertices of a curve/spline ...
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19 views

Automatically merge close vertices in Bezier curve

Is there a way to merge close bezier points to automatically close curves in poorly formatted SVG files? I'm creating some shapes from FreeCAD great sketch module in order to have constraint modeling (...
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0answers
38 views

Modeling irregularly shaped flower bed

I'm looking to model this flower bed which is a slightly atypical shape. I would quite like it to be as realistic as possible but only have a 4gb nvidia card so realise i might have to balance. I'm ...
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1answer
21 views

Can I make curve on a path?

I am creating a ribbon tail using a path, which the bevel object properties is referencing a curve>rectangle object (the selected rectangle in picture below) Now, my ribbon tail is just a flat ...
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1answer
16 views

A way to export bezier curve with “bevel” (generated mesh) to a fbx mesh?

Im trying to export a bezier curve to use in a game engine but it doesnt automatically convert the curve to a mesh and fails the export. At the moment I have to manually convert it to a mesh and then ...
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18 views

Can I remesh an object including all modifiers?

I appied different modifiers to a text (curve + subdivision). The text is curved now but I want to shift and rotate some of the letters a little bit. This is not possible at the moment because the ...
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3answers
49 views

Why is my BezierCurve shaded like a tube?

I've added a BezierCurve, and beveled it with a square curve. The ends are square as expected, but the shading makes it look like a pipe (beveled with a circle). I would expect a shading more like ...
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1answer
15 views

Bezier Curve for some reason seriously messing up

The bezier curve has been rotated so that's the problem(most probably), but how do I fix it?
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38 views

Creating rounded shape (ballon effect)

I am trying to create this shape in 3d, like in a ballon effect: I have extruded the bezier curves and i am modifying them to create the shape in 3D. But the shape gets weird and not smooth at all. ...
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1answer
11 views

Why can't I set a rotation keyframe on this object without it setting the same keyframe on the parent armature? Deleting one KF deletes the other too

Here's a partial hierarchy of my current Blender scene: Armature \--Mesh 1 (parented to a bone) \--Bezier 1 \--Bezier 2 \--Bezier 3 Bezier 2 and 3 ...
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25 views

Assign Values of Control Point's Handle on a Curve using Python

I am interested in a script that could reassign the Z values of the control point handles in this curve to 0. Are these variables accessible to change via Python? Seems simple enough but my coding ...
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26 views

How to morph object along curve using shape keys

I am trying to create a curved object from two "caps" that have different geometries by extruding them along the curve and then bridging the edge loops to get a solid object. Essentially I ...
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24 views

Orientation of an object using two curve modifiers

I have a Plane with a Box attached that I want to bend with a Curve Modifier. The Plane is zeroed on location and rotation. In order to see the affect I'm moving the Plane to 20mm on the X-axis. That ...
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21 views

How to keep an object's length while affecting it with a curve modifier

I have an object, a plane that the object is parented to, and an array and curve modifier affecting the plane. The problem is that at pinching points along the curve the distance of the plane is ...
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1answer
15 views

Some curves ignore the curve resolution, Active Spline field missing settings

I'm experiencing a bizarre issue: Certain curves appear to offer options that other curves do not, specifically the ability to set the resolution of the active spine. I noticed this because one curve ...
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0answers
10 views

How to keep clean corners after giving bevel to a curve [duplicate]

I need to give the corners of an object a nice shape so I extruded it's top edges and splitted them into a new object, then I turn it to a curve so I have the shape in the picture. After that, I gave ...
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13 views

Changing type of curve with script

I want to change the type of a curve from bezier to poly. ...
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1answer
29 views

Beveling an extruded object

I've got this logo as svg vector file, extruded it to make it 3d and assigned a simple material. Now the edges should get beveled, but it doesn't work. Any tips?
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1answer
13 views

Filling Curves never work; Apply Rotation useless

As the title implies, I can't ever fill a curve of mine. I try to align the rotation with "Scaling + 0", closing the curve with "Alt + C", and applying the rotation via "Ctrl ...
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0answers
30 views

Hide instance (original) light while keeping the instanced versions

I've created a lightchain. For that lightchain I need a point light at every "bulb", as an emitting material is too weak of a lightsource. To achieve this I have created an array of planes ...
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8 views

Curve Spline Type from Bezier to Nurbs possible

I am working in edit mode with a Bezier curve. Now I would like to change it to a Nurbs curve (right mouseclick + set spline type) When I do this the new curve only has completely sharp edges on every ...
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33 views

Problem coloring mesh obtained from particles(Particles converted to mesh) and weight painting this mesh

hi i made hair using particles, i assigned color to these particles as well but when i convert these particles into the mesh the color is gone, i selected mesh and went to shader and assigned material ...
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1answer
29 views

Curve from selected vertices/edges using low level api

I want to convert selected vertices/edges into curves. I can convert them using bpy.ops functions. But is there any alternative using lower level api preferable using bmesh. I can get all spline ...

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