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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slope from an extruded curve object

I'm trying to slope a curve object without changing it into a mesh. I hope to be able to control the angle because the dimensions matter. So if I were doing this with a displacement map, it would be ...
CNC's user avatar
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Geometry Nodes: Bend each instance to curve

I have a very simple setup and what i want is to bend each instance to the curve shape after "instance on points" node. I've seen setups here where you first make an array and then bend it ...
retr0's user avatar
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Uncontrollable Offset with Follow Path

When I set the target of the Follow-Path Constraint my object moves to some other position which I cant control and dont want. How can I fix this? I think it has something to do with the blue dashed ...
Alexander T.'s user avatar
4 votes
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Issue with the Hook Modifier in Curve Distortion

I always used the Hook modifier to distort the curves, but now this is happening. The "hook" simply isn't controlling the curve perfectly, it's like an armature with errors. Does anyone know ...
O Inventário's user avatar
2 votes
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Why does applying a bezier curve modifier flip my object?

So I have an object here, just a simple rectangle, you can see that objects wireframe mesh below Now what I want to do is turn this object into a curving ramp of some sorts, I have a bezier curve ...
Kellen Cataldo's user avatar
2 votes
1 answer
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Trim curve based on radius of control points using geometry nodes

I am trying to trim straight curves (actually converted from mesh edges) so that each endpoint is trimmed by half the value of its radius — so that if I succeeded, the new trimmed endpoints would be ...
robinfredericf's user avatar
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DXF imports convert polylines to splines

I am having this real headache issue. I like to use Fusion360 to draw precise icons using the sketch tools they provide. But then animate them using blender. I am having issues getting the files to ...
William Donnelly's user avatar
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geometry node: mesh as curve profile

I'm learning about hair for games, I created some hair cards and to modify them I'm using the curve modifier. At first everything was fine, but soon the scene was a mess, full of curves and meshes. I ...
linkzandro's user avatar
1 vote
1 answer
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Evaluation Time while modifying curve

I have a curve used to control the camera path with the Evaluation Time. If now I want to make small changes to the curve (even adjusting a single vertex) the whole Evaluation goes Off, forcing to ...
emablender's user avatar
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Why do imported SVGs have weird scaling?

I have been experimenting with importing SVG files to use as Curves in Blender. However, when I import them using File → Import → Scalable Vector Graphics (.svg), ...
Lawton's user avatar
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Python: Access preset of curve bevel custom profile

Is there a way to use Python in order to select one of the presets for profiles of curve bevels?
Peter Hilgers's user avatar
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Same sculpting curve on multiple brushes?

I've looked around the internet, but couldn't find anything about this.. Is there any way to use the same sculpting curve for multiple brushes? I'd like to first draw sharp along a curve to make a ...
Paul Heissenberger's user avatar
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How to Set Handles Correctly for Bezier Curves

I'm toying with Blender's bezier curves and I'm trying to make the following spline: I believe I've coded everything correctly, but it seems like I'm not setting the handles correctly. The curve ...
fny's user avatar
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creating bas relief from 2d vector curves

I am trying to create bas relief type models from curves created from an svg. I filled then extruded the curve, now I want sculpt and/or bevel the parts using the curves as a guide. For example, for ...
CNC's user avatar
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When trying to "Make Segment" it connects wrong points

I have curves as shown on picture below and I want to make them become one whole segment (as it happened to a "plain" to the left of selected curves (both are separate objects). After ...
SeniorPug's user avatar
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Created Bezier Curve doesn't link to scene

I would like to start by expressing my gratitude to this community for providing solutions to programming problems related to BPY. I usually find answers here without submitting my question, but this ...
kakts's user avatar
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Draw a polygonal curve through a series of points in geometry nodes

A cylinder comes with vertical edges and horizontal edges. I want to create curve which starts at a top vertex, goes down a horizontal edge to a bottom vertex, then goes up to the next top vertex, ...
Square's user avatar
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How do I generate a rough outline around a shape in geo nodes

Okay, I'm making a custom patch generator so I can turn .svg s that I make into patches. I'm trying to streamline the process because I'm working on a project that calls for like a hundred of them ...
Dethgears's user avatar
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How to make curved plane? [duplicate]

Im looking to make something like the below example, e.g. curved / wavy paper I read that I could add a curve, and then a curve modifier to the plane. I tried that but it doesn't seem to 'bend' the ...
user303096's user avatar
2 votes
2 answers
132 views

How to taper a curve with geometry nodes - the proper way?

i try to create a setup with geometry nodes which samples a reference curve and uses it to taper another curve. Practically, it should behave similar to what the "taper object" does in the &...
100drips's user avatar
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Wrap curve around spherical object. Also in two heights

i´m trying to make spherical shifter to my E30 like guy I found. I have tried sort of bezier curves projected on but i kinda don´t work. Bending around is also not posibble because it is not perfect ...
Mashtak's user avatar
2 votes
2 answers
54 views

Morph curve into line?

I have a Curve object that has a complex shape and is very curved. The vertices are all lined up one after another. Is there a way I can force those vertices into a straight line with an arbitrary ...
Adalex3's user avatar
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How to cut a curve object with python sctipt

In blender i want to cut a curve with a specific distance (for example as much as a cylinder's radius). I can do it by hand but can't do with python scripts. I tried converting it into a mesh object ...
Dan's user avatar
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Geometry Nodes - Creating a path of edges through a point domain without any overlap

Hoping someone can help. I'm trying to create a geonodes setup where I distribute points on a mesh, and then connect a series of edges between them which will be converted to curves and used for ...
Michael Hodgetts's user avatar
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Making a customized Geo Node function for resampling a curve (Editted, new setup and new problem!)

So, I am creating a modifier for haircards placement and I would love to have a way to properly resample a curve with a fixed number of points and adaptive distancing between them according to the ...
Davi Amancio's user avatar
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2 answers
64 views

How can I close thick hair tips made with curves while keeping their tubular form?

I wonder if there's a way to close thick hair tips made with curves while keeping their tubular form (not with pointy ends). I'm using Blender 3.6. Thanks in advance! It would be nice if the hair tips ...
blenderama's user avatar
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43 views

How to animate flowing hair using the new hair system?

I made hair for my character using the new hair system. As it seems that in the new hair system each hair is an individual curve. I would like to give the hair subtle movements as if it is weightless ...
Egoless's user avatar
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1 vote
1 answer
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Geonode : Morphing profil along a curve

I would like to morph the profil of a cuve so that it moves from geometry A to geometry B, from one end to the other. I managed to produce a morphing geometry depending on one parameter this way : ......
Nicolas's user avatar
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Using curves for cursive type

This is more of a best practice question. I'm creating some type using curves, and can see there's a couple of ways I could do it. I've used bezier curves to create this, but finding it difficult to ...
StewD's user avatar
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1 answer
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Intersection of procedural road cause UV artifacts

I am working on a road generator that uses a curve to create a path and a spline parameter to generate UV. However, I have a problem with handling intersections. There appears noticeable artifacts. ...
Chirva Danylo's user avatar
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How can you make a strip of mesh parts bend according to the distance from an object individually?

So I'm working on a dragon rig, and I'd like to control the spikes on its back. I thought it would be wise to do it by a distance from a certain separated bone, and that the scale of the bone would be ...
Golden Dragon's user avatar
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Create curve with svg as curve object (spline)

Disclaimer: am new to blender and 3D modeling. I am modeling a candy cane in the shape of our company logo. Following this tutorial, i could create the same standard shape candy cane. However, when ...
Rumturf's user avatar
1 vote
1 answer
69 views

Geometry Nodes: Random Array Using Curves

Trying to make a all purpose Curve (Rotation - Scale - Random objects - etc)... Issue - When Instancing on points i don't know how to make Sure the Stacks Stick Together When Using a Random Scale ...
Kenneth's user avatar
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How do I reference the length of a curve as a driver variable for the screw modifier?

I would like the screw setting to automatically change with the length of the curve to achieve a stretching effect. Here's an example of what I'm looking for. This was made by calculating the ...
General Shrooms's user avatar
1 vote
1 answer
55 views

Best way to create smooth archway?

I'm trying to recreate a room interior and am modeling the basic structure. I'm having trouble modeling the arches in the interior, and have tried a view different approaches. The arch in the middle ...
Ryan Nyberg's user avatar
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When I convert my Hair system into mesh, It has no tris only curves. How can I turn curves into tris?

I am beginner. And I designed a character in Blender using new Hair system but When I export it as Fbx/Obj, Its hair doesnt show up in unreal or in Mixamo. And I cant see it on 3d viewer apps. I tried ...
Sinan Cagrı Kurt's user avatar
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40 views

Particle system, hair curves, or geometry nodes for grass to get lowest processor strain?

I'm starting my environment for an archvis project that will be animated in EEVEE. Later I'll be creating environments for other animated projects with characters. I've been trying out different grass ...
Path11 Media's user avatar
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Create a single mesh by combining the points where two meshes meet using Geometry Node or python

I am studying Geometry Node in Blender and I am currently facing the problem of creating a mesh between two curves using Procedural. Several curves were set using Curve, and meshes were placed at ...
hehehoeho's user avatar
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79 views

How to obtain a sort of "spherical fall-off" displacement?

I created two node trees that extrude a profile (a mesh made up of a few vertices, transformed into a curve, and to which a fillet is then applied to round the corners). They extrude it in such a way ...
crucchi's user avatar
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1 vote
1 answer
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How to relocate a Follow Path Camera rig in the World without it breaking?

When animating a Camera or other object along a Curve, such as is shown in this video for example, why is it that the whole setup seems to be dependent on World Space? That is to say, even if the ...
Mentalist's user avatar
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1 vote
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Bend extruded text

New try (10/24, 3PM): Hello! I set both the shape and curve origins to the World Origin (0,0), but I'm not sure if that's the right spot for both. When I try to animate the 'Follow Path' constraint, ...
J13's user avatar
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1 vote
2 answers
80 views

Animate curve point by point

I am loading the data of a line from a csv file to create a curve. If I animate the curve by keyframing the "factor end" property in the UI, I get the visual animation I want, but the ...
mike's user avatar
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41 views

How do I create a straight line with endpoints that track a curve when I rotate/move the line?

I would like move and rotate a line, but have the endpoints follow an elliptical curve. In the picture below, as I rotate the line, I want points A and B to stick to the curve. Then as I move the ...
Bruce's user avatar
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1 vote
2 answers
87 views

How to get correct curves from Mesh to Curve node?

In the example file below, we have a simple profile created with a bunch of vertices forming a continuous edge. Using the help of geometry nodes, I want to apply a fillet to smooth out the shape, make ...
crucchi's user avatar
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1 vote
1 answer
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Move Object along a Path created using geonode

This is part of the large feature. I created a Bezier Curve and a plane. using raycasting, I projected the curve onto a plane. The projected curve is set to be of type Path. I want to move the ojbect ...
ph_zero's user avatar
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Copy Path from Bezier Curve

I have a Bezier curve and want to create a path that has the same curve/shape as the bezier curve. It is offset on z-axis from the bezier curve. How do I do that?
ph_zero's user avatar
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Scale (Asymmetric) curve that is not identical on the sides by given amount in mm using geometry nodes

Scale (Asymmetric) curve that is not identical on the sides by given amount in mm using geometry nodes Example: I'm trying to create a 2mm outer wall thickness around a curve object using geometry ...
Rick T's user avatar
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Extrusion/Bevel of Path with many points

I'm trying to visualize data in blender and the measurements often have many datapoints close to each other. Using a NURBS curve and a bevel to make the curve have thickness, it struggles with noisy ...
mike's user avatar
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0 answers
23 views

Trouble copying hair modifiers from one object to another, keeping the same result

I'm having trouble copying hair modifiers from one object to another, keeping the same result I can copy the modifiers from one curve system to another, the properties stay the same, but the results ...
Micah's user avatar
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Extrude along curve

This is my first time using blender, and I'm looking to create a long prism with no more than eight edges to the end faces, that also twists and tapers. I took a Maya class a few years ago, and in ...
Eric Byrd's user avatar

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