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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Creating Curves at the Joints of Objects

Hello to all . It is necessary to create a weld for the tank, for this I needed to create curves in the joint area using Python, then put welds in the curve. I know how to create curves manually, but ...
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Bezier In to Surface is folding in on itself when using Sverchok to Extrude and Solidify

I am trying to make a shoe using Bezier curves and the Sverchok Add On but I am stuck on how to rectify the apparent miss calculation of the data points. I can't find anywhere that is says the ...
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Curve animation export to unity; Exporting "rolling" curve mod animation into unity

I'll make this short people; I need the animation that does this: But all i get in Unity, is a plane going from A to B on an axis, it does not roll. I tried baking the location, but it did not ...
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Geometry Nodes - How to change points density along curves, if curves are instances?

I can change points density along quadratic Bezier by moving central handle, like in example_1. Example_1. But if quadratic Bezier will not be straight, I could not change its points density without ...
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Evaluate a curve with a bevel as a curve, not a mesh in Geometry Nodes

If a curve has a bevel depth (aka radius) or bevel object (aka profile) it's automatically evaluated as a mesh in GeoNodes: Is it somehow possible to use beveled ...
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Why is the scale of the Bezier Bevel so massive on Curves? how can I scale effectively?

I'm struggling to model with curves today. I can't seem to scale the curve without making the object curve so tiny I can't even see it? To get the curve size I want, the target object is a speck on ...
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1answer
287 views

Join curves with Python by color

I'd like to group curves by color, so I'm try to join them together. I used an override from this solution. Everything works splendid inside Blender but in my external program I have ...
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How to draw or create a rounded rectangle in Blender using curves (not a plane/cube)?

I am interested in creating rounded rectangles from curves (not planes or cubes). I am aware of how to round a plane's corners using the bevel modifier. The best I have done for rounded rectangles ...
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How to UV map and image texture to a bezier curve crescent?

I'm new to blender, so apologies if this is a fairly beginner question. I followed this tutorial ( https://youtu.be/vS1eDp3az5Y ) to make a crescent moon shape using bezier curves. Now, though, I want ...
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Make a tube shaped like a curve

I'm still trying to understand what I can do with curves and what the limitations are. I want to be able make a shape, with curves, like this: (Not exactly that curve, but it's a good example.) It's ...
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How do I align my bevel profile curve to the curve it is beveling so that they have the same orientation?

Please have a look at these pictures. I have taken a Bezier Curve as my object curve & a Bezier Circle as its bevel profile object. Snapped Circle origin on Bezier Curve end point and rotate 90 ...
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Geometry Nodes: is it possible to put a curve to connect in vertices of a grid or any other mesh? for a graph

I am trying to make a graph and I want to make it procedural in some way, I want to be able to put a curve connect in between different verts so when the graph gets bigger so does the curve
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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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Beveling creates a new face?

I have started to bevel my goggle edges and am running into a problem. The model seems fine but when I bevel it a new face appears on the front?! Is this due to the top piece being a Boolean modifier ...
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Object extrusion along bezier curve--how to miter corners?

I am using the Bevel>Object function to give dimension to a bezier curve. I would like to have the corners come to a sharp point. I've tried converting to mesh and collapsing vertices, but it ...
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2answers
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How do I adjust only one handle on a curve in the graph editor?

In After Effects I could grab a handle on a curve, hold down a modifier key, and only one side of the curve would be affected.. Is this possible in Blender in the Graph Editor?
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Help seeing new vertices, then creating a face with my new curve -> mesh

I am currently following this guide https://www.youtube.com/watch?v=yYUGMvZsu3w&t=361s and at 46 minutes he demonstrates how he turned his curve into a mesh, then a face. I have my curve, but once ...
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2answers
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Sliding object along a curve

I have an icosphere and I want to move it following a curve. I want the centre of the icosphere to follow the curve. I tried snapping, but seemingly this does not work with a curve. My intention is ...
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101 views

Artifacts when using solidify on curves

When i apply the solidify modifier to curves (created by importing a svg file), it creates some weird artifacts. Any idea on how to fix it?
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Correct way to create an extruded mesh from a simple SVG shape? ie. Without creating insanely complex nonsense polygons?

I have been using Blender about a year now and I am completely blown away by how hard it has been to make a simple extrusion and filled mesh from simple SVG shapes. I don't know what I'm dong wrong. ...
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1answer
36 views

Why is there a hard line in my y-axis gradient following a curve?

I'd really appreciate any help or insight here. I've been messing with this for hours and can't figure out how to wrap my gradient around the y-axis seamlessly. No matter what, there's a hard line at ...
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2answers
43 views

Array modifier with offset animation

I'm animating the End Mapping value of a curve and I wanted to array them, that's not the problem. The problem is that I want to animate the End Mapping value with one or two frames offset one ...
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Follow Path & Bezier Curve not working with Lattice Modifier

I have an object attached to a Bezier Circle with a Follow Path Constraint. The Bezier Circle is being deformed by a Lattice Deformer. If the Lattice Modifier's 'Align on Spline' button is disabled, ...
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Bevel and Resolution Multiple Selected Curves

I imported an SVG Character and grouped/parented it in an empty object for easier positioning. I selected all (A+shift left click method) the character objects (hair, eyes, pants, etc:) However, when ...
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198 views

slope along curve

I have a long path object that I designed in top down view but I want to have a downward slope over the whole thing. Is there a quick way I could do this? Like position my first and last points where ...
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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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Follow Path with Shrinkwrap Modifier

I'm trying to use a Follow Path Constraint on a Curve that is being Shrinkwrapped to a surface. When the Curve's Shrinkwrap Modifier is active, the object with the Follow Path Constraint is still ...
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2answers
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Move Object aroud curve withot deforming

I have an Object that should simulates a piece of fabric and bend around a bezier curve wenn moved. On the top of that Object I want to have pieces of wood, that are connected (glued) to the fabric. ...
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Bake mesh deform with curve modifier into shapekey

I tried to make a growing tree animation with scaling my model on a curve with the curve modifier ! So it works fine but i would need the model and the animation being able to be import in unreal.. So ...
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1answer
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How can I fill a "spinned/screwed curve"?

I am trying to make a cross-section of an object with a rotational symmetry. I thought using a curve for the cross-section with the screw modifier would be a better way to do that than using boolean ...
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1answer
197 views

Bezier freehand draw curve is very coarse with larger errors

When creating a freehand drawing of a Bezier curve i get very coarse angular line with an "error" of ~10 in the "Draw Curve" menu (see image). When opening a new Blender window the curve draws fine ...
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1k views

How to get a straight Nurbs

I have added a nurbs curve. Im extruding it in the L direction and i do not need that curve shape. On the red axis its going straight but when i turn to green axis it makes a curve. With the orange ...
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2answers
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How to rotate single vertex of nurbs path?

I've been googling around trying to figure out how this is done. But all I've managed to find from multiple sources, is that it basically can't be done. Yet I'm literally half following along with a ...
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How do I make a plate wrap around the edge of the object?

Project on the google drive Hi. I need to make this object wrap around the model. I tried using a shrinkwrap modifier. However I wasn't able to make it to bend the plate. Does it have to do with lack ...
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Converting Motion Paths to Curves

I'm currently animating a moving object and I wanted to add a trail behind it using this method, but when making the curve for the Motion Path I've found no way of automatically converting the Motion ...
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Making Straw in Blender

I need to recreate this product and am not sure on how to model the straw inside the box. Any ideas?
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3answers
57 views

Creating a filled curve from scratch

I am trying to build a patch to create rectangle curve similarly to circle curve, I am likely not understanding something foundational about filled curve since creating a series of connected lines and ...
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34 views

Animating geometry node setup along curve

I am trying to animate a shape (let's say a plane) with some geometry nodes alongside a curve. My current setup includes a plane with the following modifiers: the Geometry nodes, an array (fit curve ...
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1answer
148 views

How do I model a decreasing Spiral in blender?

I am trying to model a fancy shower stall in blender 3.0. -- I want it to look like this I currently had modeled it by tracing it with adding verts -- then extruding on the z axis and adding a ...
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47 views

Convert from Bezier surfaces RIB file into something Blender can import?

Can anybody recommend a free converter that’ll turn a Bezier surfaces RIB file into a mesh format that Blender can import? I have a RIB file of Ed Catmull's "Gumbo" that I’d like to use in ...
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Why do these curves look see-through?

I'm trying to create hair for my character. I used curves, which I didn't want to use but every time I use hair particles Blender shuts down on me, and I created a hair texture for it. It seemed ...
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Parenting a mesh to a curve to make an animation is producing weird results when specific curve vertices are moved

I wanted to create an easily reusable tank tread animation in Blender, so I did the following: Created my single tank tread mesh. Created a NURBS curve and shaped it roughly into a tank tread shape. ...
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22 views

I want to extrude a path to a cirleshape, how can i smooth out the corners. Bevel them doesn't work

I copied the path from a set of vertices; convert it to a curve and it's all weird shaped once i extrude them. How to bevel them, on the corners, for example for a pipe. an smooth out sections like on ...
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22 views

How to bake instances of a vertice animation in Blender

I have the following problem: I have created a curve, a vertice (merged plane) and a object as child. So the vertice is animated over a curve along the x-achses with an array modifier. The object is a ...
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How can I make a perfect sweep with bevel object in Bezier curve(3d) (Pipe)

I can't create a Pipe 3D without annoying shrinkage in the corner of my bezier curve using bevel object. Those are my step. I create a bezier curve (on 3 axes) transforming two corner in Vector ...
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1answer
2k views

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 ...
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Adaptive Curve bevel thickness

I would like the bevel thickness of a curve object to be 1 pixel wide, regardless of distance from camera. I say 1 pixel, but really I'm just looking for fine control. This feature, if it exists, ...
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52 views

Is it possible to make an oscilloscope that can integrate with music? "lissajous music"

I want to make a Lissajous music using frequency value images of music or sounds in Blender. Like Spirograph Sound Visualizer... like oscilloscope music. sample : https://www.youtube.com/watch?v=...
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Wrong direction for curve segememts [duplicate]

I'm extremely new to Blender. I finished most of the body and clothes and I want to work with the hair. I want to use curves with the hair but upon using curves, the segments (idk what to call them) ...
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Is it possible to customize smooth geometry for a Bezier curve?

There is a curve. In the settings of its geometry, we make Bevel, creating a volume with some kind of profile (in the example on the screenshots, the type is simply Round). Also, assign different ...

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