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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1answer
97 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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0answers
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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
28 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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0answers
18 views

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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21 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
38 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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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
23 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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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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16 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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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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0answers
16 views

Loop through a collection of bezierCircle [Python]

I have this code: ...
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0answers
29 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
35 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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29 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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0answers
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
40 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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20 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
40 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
22 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
25 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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0answers
23 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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0answers
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
14 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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0answers
27 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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0answers
28 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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0answers
26 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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0answers
22 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
25 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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0answers
14 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
30 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
14 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
40 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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0answers
9 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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0answers
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 ...
2
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1answer
33 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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0answers
17 views

Curve Path Flat? [duplicate]

Quick question, why is my Curve: Path flat in some sections and circular in others? How can I make it round again and how did I make it do this in the first place? A quick run down of using it to make ...
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0answers
13 views

Affect all curve active spline type

If I have many curves that I converted to nurbs curves, and I want all of them to have their endpoint checkbox selected in active spline type, how do I do that to every curve I have?
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0answers
22 views

A curve that interpolates the baked keyframes

I have a baked animation. Is there anyway that I can get a curve with less number of keyframes? So that I can adjust the animation easily.
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0answers
18 views

How to quickly add a curve around object?

I did it recently with 2.8 version, it was somewhere in the N tab, I pressed a button, and the object was instantly covered with spiral curve. Cant find it in the current version. There is Curve Info ...
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0answers
27 views

Import 3D curves without affecting their curvature

I have created a series of curves in Rhino. I also have a joined version of them. Obviously, the curvature of each individual curve matches its corresponding section on the joined curve as shown below:...
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1answer
53 views

Why is the object not moving along the curve path?

Yet again, I am have problem with the curve-modifier. So I did exactly (or at least I believe I did) as what others told me in my last question: set origin of the curve to its geometry > set cursor ...
3
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1answer
49 views

Modify degree of Bezier interpolation between keyframes for animating an object

I'm trying to animate motion of objects. For this, I'm setting the location and rotation of the objects at certain frames and marking them as keyframes. By default, blender uses Bezier interpolation ...
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0answers
26 views

Array modifier and merge distance for curve

I want to do some knitting on cloth mesh and need to array knit curve,connect points and finally add bevel depth.But there is no merge by distance for curve and array modifier can't apply to curve. ...
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2answers
47 views

How to model a Dome with Cylinders? [duplicate]

How can I model this, . I've only started to try, but im a newbie and feel like I'mma fail at making it look like a dome with the curvature. Any advice or comment would be much appreciated! :) The &...

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