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.
2,492
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Trace visualisation in 3D - how to wrap curves onto a 3D mesh
Dear Stack Exchange Community,
i'm trying to achieve the following effect with curves:
Source of this image is here:
https://www.behance.net/gallery/57143191/Visualizing-Concepts-in-Houdini-...
- 1,434
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3
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How can curves be converted to meshes?
Is is possible to remove the curves and only have the mesh of a tree that was created with the saplings add-on?
I'd like to apply a decimate modifier to have a few low-poly trees, but this doesn't ...
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3
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What is the fastest way to add vertices to a curve at a specific point?
For example, in inkscape you can double click to add a new control vertex:
Is there a way to do that in Blender?
The closest thing I have found so far is CtrlLMB, but it just adds an unconnected ...
- 157k
43
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2
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Extrude along path
Is there a way to extrude an object or shape along a path/curve, so you get a solid object? For example, a rectangle shape along a curve to get a long bendy sidewalk.
I feel this was in an older ...
- 2,661
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votes
4
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Model a simple 3D spiral shape?
I need to model a simple spiral shape. I imagine the best way to do this is with curves, but I am unsure how to create a perfect spiral shape with curves. What's the best/easiest way to make a spiral ...
- 8,003
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votes
3
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How can I convert an SVG to a mesh?
In Blender, extruding and beveling of SVG imported objects, works very well when they are still bezier objects, but the conversion of a SVG path to a mesh is very ugly, with a lot of unnecessary ...
- 453
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7
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Organic yet accurate modeling with the golden spiral
Foreword
First off, let me say that I am profoundly amazed at the orderliness in nature. If you haven't heard about the Fibonacci sequence (0, 1, 1, 2, 3, 5, 8, 13, ...), you should check it out.
...
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1
answer
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Can blender export 2D curves to svg?
Is it possible to convert/export 2D curves to an svg?
I know you could render it to a raster image and then convert it with inkscape/potrace, but it would be nice ...
- 157k
32
votes
1
answer
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How can I duplicate a mesh along a curve?
I want to outline a curve in the form of text with a mesh (UV-sphere, cube etc.). How can I do that while saving mesh geometry without using the Curve modifier?
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4
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How do I prevent object distortion when applying a curve modifier?
This is the profile of the object I'd like to wrap...
Here is the object's profile after being wrapped...
Is it possible to prevent the distortion? The following post here: http://blenderartists.org/...
- 619
28
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2
answers
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Make a 3D tube with a Bézier curve?
How can I make a Bézier curve into a 3D-noodle-like structure (like a tube)?
When I try, it keeps turning out like a rectangle with corners.
- 737
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3
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How to cut an object along a curve?
I want to divide this model into separate pieces to prepare it for the next stage of a project. The divide needs to be made down a curved line (which I hope is visible in picture).
,
I figured out ...
- 341
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1
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How to achieve this spline and particle effect
does someone have any idea of how to achieve the following effect in Blender?
the source of this file is http://www.rawandrendered.com/camp-2016-titles
I tried to apply curves to a deformed surface, ...
- 1,434
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votes
8
answers
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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 ...
- 3,398
21
votes
4
answers
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Convert Curves to Grease Pencil?
I'd like to know if there's a way/add-on to convert curves to Grease Pencil strokes? I know you can convert in the other direction, but I can't find anything to create Grease Pencil strokes from ...
- 645
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2
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How to vary the thickness of a Bezier curve?
I have made a bezier tube and I want some parts of it to be large and others to be small.
When I try to set the depth for one of its vertices, it just changes the depth for the whole object. Is there ...
- 737
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3
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What are the practical differences between beziers, nurbs and paths?
I know that Beziers, Nurbs curves and Paths have different controls:
Bezier handles have control over tangents, and the curve always touches the control point.
Nurbs curves don't touch the control ...
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3
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How to animate A curve segment?
How can I animate the position of a Bézier curve segment as shown in the images below?
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Why does a bezier curve twist when rotated?
If I create a bezier curve and rotate it in edit mode it does not accordingly rotate the tilt of the handles which creates an undesirable twisting along the curve.
Here is an example using a bezier ...
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How to model the curly cable part of the phone
Hello. I am a beginner in Blender. I started modeling this phone and when I got to the curly cable part it was a real challenge. Could someone guide me on this.
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How to approach the modeling of duct work, piping, wiring?
I'm wondering how to approach duct work, piping, and wiring?
In the past, I have used the spin tool to make corners, but I find it very cumbersome.
How do you do duct work and piping? I have seen ...
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answer
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Repeating objects along a path
Is it possible to repeat my track object along a path? I tried using the method shown here Extrude along path using an array and then a curve modifier, but this happened when I added the curve ...
- 181
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votes
3
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Adding a texture map to a beveled curve or path
I really want to be able to apply mapping to a curve object. For instance a rope or pipe that has a repeated pattern along its length that follows it's twists and turns.
There must be a simple way to ...
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2
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Keeping Bezier spiral curve handle tilt perpendicular to a specific axis
It's doesn't seem to matter if I use the curves "extra objects" to make the spiral or just create it on my own. I can't seem to find a way to keep tilt parallel to any one axis. Or make tilt uniform ...
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2
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3k
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Mathematical formula for Bezier curves
What mathematical formula does Blender use to calculate Bezier paths?
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How to make UV loft like 3ds Max in Blender using curves?
I am try to make a car Body using the technique like UV loft in 3ds Max.
How to apply this technique in Blender using curves or closer to this technique? I have seen this technique in a Blender ...
- 251
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3
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How do I wrap text around a circle having it still standing up?
I'm trying to make my text stand up while still following this bezier circle.
I know it looks like a complete utter mess, but all I want to know is how to make the text stand up (Like on the clock ...
- 161
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How to weld two control points of a curve?
Is it possible to weld or merge two control points of a curve?
- 1,038
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How do I disconnect two points of a bezier curve?
I am fairly new to Blender and I would love some help with this problem. I modeled a bezier curve a couple of days ago, and then wanted to change it.
I know how to connect two vertices of a bezier ...
- 153
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How can I simplify or resample a Bezier curve?
When I use the Grease Pencil to draw out quick curves in the 3D Viewport, and then convert the pencil to a Bezier curve, the result is always consisting of very dense geometry and handles which are ...
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How can I make a Bézier curve have sharp and curved points?
How can I make a Bézier curve have sharp and curved points? Like a zig-zag. And also being able to make more 'circular' parts too.
(I want to make fig 2, but I can only get to 1 by creating curves ...
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Make a quarter curve with curves
What I want:
What I have:
So basically I need to use curves to make a quarter circle. What is a good trick to do that?
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How to fill a 3D bezier curve?
If I turn a bezier curve to 3D the surface will disappear. But I need 3D curve because it uses all the 3 axis to define the shape. I tried all the Fill options (Half, Front, Back, Full) but none of ...
- 1,038
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Three bones following a curve
I have a chain of three bones and I want them to follow a curve (bezier curve). I've tried to do this creating a bone constraint follow path but it doesn't work. I'...
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How to colour vertices of a beveled curve mesh without converting to mesh?
For scientific visualisation, I'm using a lot of splines which are bevelled with an object (i.e. a hexagon). I control the level of details depending on the context.
Without losing the benefits of ...
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Curve Bevel function, scale?
Is there a way to scale up the bevel object on one end of a curve, a little bit over each point?
I notice the vertex "weight" slider will tweak how much influence each vertex has on the others, is ...
- 133
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1
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Poly / Bezier curve from a list of coordinates
I'm trying to create curves from a list of points, I have the xyz coordinates in text files.
I could make it manually via the python console for a single curve, but I have to do it many times and I ...
- 131
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5
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Color of spline in 3d view
Is there a way to change the color of a curve object in 3D view?
(change the black lines only for this object to green).
I've got over 1000 curves generated by a python script and would like to ...
- 375
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3
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Lofting between Splines
I’ve seen some C4D users use a tool called Loft-NURBS it seemed like a good way to speed up my workflow.
Is there a tool in Blender to create a surface from ...
- 335
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6
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Complex extrusion howto
I want to extrude a profile (either a mesh or a curve) along a "guide" curve such that:
Its local Z axis is and remains parallel to the global Z axis at every point of the extrusion
Its X ...
- 633
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4
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Extrude and bevel an imported svg curve
I exported an svg 1.1 file from Adobe Illustrator CS6. I joined all the shapes by pressing Ctrl+J. I set the curve shape to 2D. Then I extruded using the right hand side panel:
So far so good. But ...
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Pipe with round caps (ends)?
I was trying to make a pipe with rounded cap or ends. Something like in the image, where I just added to spheres as "ends".
I've already surfed the internet a little and it looks like an uncovered ...
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Change start time of camera following a path?
I made a path and have my camera following the path (Shift + A: Curve->Path) based on a youtube tutorial and this question: Camera angle should follow path angle.
However the camera starts following ...
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Straighten bezier curve?
Is there any way to straighten out the default Bezier Curve? By default it looks like this:
What I end up doing is selecting the left control handle and rotating by 45° to make the curve straight. Is ...
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Modeling a twisty tree: How do I twist a beveled curve?
Hello Blender community!
First time posting.
I’m a fairly recent 3D NOOB playing around with Element 3D and C4D renderer in After Effects, and I have a project that’s allowing me to dig deeper into ...
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How to model an accurate parabolic mirror with a known focal point?
I am new to Blender and really enjoying it now, but... I want to make an accurate parabolic mirror with a known focal point. For example, I would want to have it focussed so that a parallel beam could ...
- 133
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Can I color a curve in Cycles by the direction it's running?
I'd like to colour a beveled curve in Cycles by its tangent (the tangent of the actual curve - not its beveled faces).
For example:
In this image, the curves running up/down are blue, and the left/...
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Vertex slide for curves?
Is there a vertex/edge slide like tool for curves?
In other words, I'd like to be able to edit the curve in the same way I can with a mesh, by sliding a vertex along a connecting edge:
Is this ...
- 157k
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Can I create real/editable curves with Geometry Nodes?
I am creating some curves here with Geometry Nodes:
Now I want to apply the modifier so I can process these elsewhere as Bézier curves outside of Geometry Nodes. This works fine as soon as I convert ...
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3
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3D tube with sharp corners and uniform radius?
By using a vectorized bezier curve, I have successfully created a tube/pipe in 2D (with sharp corners) that a ball of the same radius can roll through:
However, when trying to achieve the same in 3D, ...
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