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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6
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0answers
47 views

Is there any way to turn coordinates into curve?

I recorded fly camera movement, so I got keyframes with coordinates. Is there any way to turn the camera coordinates in keyframes into curve?
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342 views

Is there a low level alternative for bpy.ops.object.convert(target='CURVE')?

(Note: Somebody asked there nearly the same question as me and got a very nice answer. However, this was to convert an object to a mesh. I have exactly the same context as this person but I want to ...
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47 views

How to retain speed on a “follow path” modifier even if the path is scaled up or down?

I've added "follow path" modifier to my armature and insterted keyframes so that the armature follows the path between 0-100 frames (the offset goes from 0.0 to 1.0). Everything looks fine ...
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667 views

texture map to a beveled curve or path

I've been trying to map beveled curve properly. It look stretched out of the box: Converting it to mesh, marking seams and unwrap looks nasty. Trick with using curve modifier on another curve works, ...
3
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39 views

How to make trails that look like this below?

I'm trying to remake this logo from Hanna-Barbera in Blender 2.79. I've tried using a Bezier Curve with the rectangle trail effect inside, but it just doesn't work. I know how to use Nodes, so I am ...
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30 views

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. ...
3
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0answers
62 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.
3
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0answers
41 views

Getting NURBS in and out of Blender

Is there a working way to get NURBS curves into and out of Blender? FBX supports this, but when I import an FBX with NURBS, the curve is not created. I've tried with several versions. FBXes exported ...
3
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0answers
30 views

Automated way to find the center line of a 2d mesh?

Given the simple 2d mesh pictured below, is there an automated way to create a curve or line that follows the middle of the mesh? I am able to do this manually with a bezier curve, but it would be ...
3
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0answers
49 views

How to round off corners using a curve circle

I have 2 objects in my scene. one semi circle which is from a mesh and I applied subsurface modifier and got round corners. The other object B is a curve circle, but is there a way it can have rounded ...
3
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79 views

How to create a hook modifier on every point of a curve using python

I made a script to add a hook modifier on every point of a curve using a for loop but I get an error in 2nd iteration. Below is the code: ...
3
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91 views

How to achieve random distance, rotation between copies with array and curve modifier?

I'm doing a crown, and I put the thorns on the stem with an array and curve modifier. I'd like to have the thorns to have non uniform distance and rotation around the stem. How can this be achieved? ...
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464 views

Bezier curve seems to be locked from moving on certain axis

I am in 2.81 and created a bezier curve to act as a string in a scene. However, when I go to edit the curve, I grab the end point and attempt to move it on the x axis and it won't go that way. It will ...
3
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1answer
69 views

Beizer circle messes up model

I am new to using blender, and found something I wasn't able to solve. I have a simple model like this: With texture from the bottom: I would like to curve this model like a bracelet, did it with a ...
3
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1answer
286 views

How to make curve apply its bevel radius after all deformations

I have a wicker basket which is made up of curves. The object has a couple of array modifiers, a simple deform and a cast modifier to achieve its final shape. It looks fine from afar but upon closer ...
3
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92 views

Extracting 3-d forms for producing organic shaped model from various flat parts

I am a carpenter. Looking for a way to build organic shapes and curves in 3-d rendering that we can then extract 3-d pieces to understand the geometry required to build the form from multiple pieces ...
3
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1answer
555 views

Why does my camera start rotating randomly when following a path?

I have a camera that follows a bezier curve with a Follow Path constraint, with a Track To constraint that follows an object (named "Viewer") moving on another bezier curve with another Follow Path ...
3
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1answer
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 ...
3
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0answers
742 views

Array/Curve: How do I fix array modifier overlap when combining “Fit Curve” Setting with a Curve modifier?

I am attempting to create an arena using the Archimesh addon and the curve modifier. I created a set of archways and columns with Archimesh, using the built in "create an array of elements" checkbox. ...
3
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0answers
191 views

Path Curve Deform creates unprintable non-manifold geometry

I created an SVG vector mesh in illustrator, imported it to Blender and used it as a path to deform a triangle along. It makes a design that I rather like. Unfortunately when I convert that path to ...
3
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0answers
165 views

How to get one end of a path to fade out using Material node?

I'm trying to work out the best way to get one end of a path to fade out using a Material node, regardless of its axis, position or shape. Below is a screenshot of what I've tried and what I'm ...
3
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0answers
370 views

How to stop the influence of a curve modifier for part of a mesh after having animated along it?

I have a long thin constant width mesh (a bit like a long train, but it actually looks like a wall) that moves along a curve using the curve modifier. And when the mesh has reached the end of the ...
3
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1answer
367 views

Curves and Booleans Woes

The Story I am attempting to make a 3d representation of the following SUPER complicated model in a 3d-printer(.stl) friendly way. (I know it's not great quality, but it's literally the best reference ...
2
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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 ...
2
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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 ...
2
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1answer
151 views

Snap or project bezier curve to mesh surface

I've got a curve which follows the edges of a mesh. This curve is done manually, and I'd like to keep it this way. The mesh has no edge loops that I can use to duplicate them and separate them to be ...
2
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0answers
46 views

Fuse overlapping mesh from a bevel curve

I have a bezier-curve with a bevel- and a taper object which makes a nice rod-like shape. But if I make too sharpe turn of the original curve I get an annoying overlap of the mesh which generates &...
2
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0answers
25 views

Curving text around cone for 3D printing (requires clean geometry)

I'm having difficulty figuring out create text that curves around a cone, and then removing that text mesh from my cone so I can have a cone shape with the text debossed in it for 3D printing. I see ...
2
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0answers
28 views

Screw modifier with mutiple curves (how to get good result)

The screw modifier is good for creating a solid mesh from a single curve profile, but it does not seem to provide any options for handling multiple curve profiles. This is the result of using a screw ...
2
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0answers
501 views

Converting / getting parametric equation to work using python

Converting / getting parametric equation to work in Python / Blender / Animation Nodes I can create / plot the parametric equation in Octave $$x=u\sin(u)\cos(v)$$ $$y=u\cos(u)\cos(v)$$ $$z=-u\sin(v)-\...
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0answers
236 views

Attaching OSM road data to google maps 3D mesh from RenderDoc

I am trying to attach Open Street Map(OSM) road data to a mesh of the terrain generated using Google Maps + RenderDoc, in order to create 1 single mesh eventually. I have generated the OSM road data ...
2
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0answers
2k views

Where did the 'Use UV for Mapping' option go in Blender 2.8?

I'm following a tutorial using a 2.7 version of Blender, which shows how to use UV unwrapping on beveled curves to make a texture follow the shape of the curve (I'm making stylized hair and would love ...
2
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0answers
235 views

Convert track data into a bezier curve or a path?

I want to do a simple motion trail that has the same path as my track, but different timing. For that I need to convert the track data into a bezier curve. Any idea on how to do that? The reconstruct ...
2
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0answers
50 views

How do I create faces between curves?

(I'm on the far side of 50 so please forgive me if this is blatantly apparent to the younger generations!) Hopefully simple question. I am trying my hand at modeling in Blender for the first time and ...
2
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0answers
35 views

How does one figure out how big to make an object to make it scale to fit a Curve Modifier perfectly?

Suppose I want to make a flat surface curved using the Curve Modifier; how do I do this so that the flat surface follows the curve from end-to-end exactly? I can hackily scale the flat surface along ...
2
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0answers
70 views

How to animate ribbon unfurling?

I have to animate ribbon unfurling an box opening. Like below. Got the box part down, but I'm stuck on the ribbon. What would be the best way of going around it the ribbon. Would it be best done with ...
2
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0answers
302 views

Value sliders are too fast

I've been trying the spin tool in new Blender 2.81. I was trying to change the axis value so that I can get my desired result. But the value sliders for changing the position of the faces are ...
2
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0answers
62 views

How to hook a rope?

I'm trying to attach some tin cans to a car to create a concept of "just married". I'm confused to apply physic on it. When turning on "soft body" for rope (curve). Hooks I set are not working. And ...
2
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0answers
395 views

The Rotation Axes are Messed Up!

I'm in a hurry because I have a client waiting on me for this project, but I've run into an issue with rigging my character. By the way, instead of attaching the curve controls to the joints, I've ...
2
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0answers
140 views

Making a bezier curve sway/swing with anchor points at both ends

Edit: I'm a beginner to Blender I'm trying to make a bridge sway from side to side with both the ends of the bezier curve staying in place while the middle moves from side to side. Currently, a ...
2
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0answers
140 views

Making a Moire pattern animation

I'm trying to animate a pattern I made. I made this on a graphing website called Desmos, but ran into problems making all the lines move. Apparently it's too computationally difficult for the website ...
2
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0answers
366 views

make a liposome

I'm trying to build a liposome like this: I made a single unit like this and used the duplication method described here How to create a sphere with different ring vertex count by scripting? The ...
2
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0answers
211 views

The second emitter does not emit particles in the correct way

I'm trying to create a traffic simulation using the blender particle systems with different model of cars. The enviroment consists of a two-lane road. I want the cars crossing the two lanes in ...
2
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0answers
433 views

Blender hair problem: Cycles viewport rendering is different from final render

I'm having a weird problem where the hair at the tips of my mesh look like they're exploding. I have no idea why this is or why it only shows up in the render. I also have some strands that are darker ...
2
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0answers
158 views

Stretch or extend curves dynamically based on mesh translation (or rotation)

I recently started using Blender for a project involving multiple cables (or ropes) connected to the same object. Let's say, for instance, this is my set-up: - two cylinders containing a rolled-up ...
2
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0answers
72 views

Is there a way to tilt all points on a curve torwards the center of the world?

I'm modelling a street around a planet with an increasingly complex Terrain. I used the Shrinkwrap modifier in the beginning which worked well as long as my planet was just a sphere. By adding more ...
2
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0answers
1k views

How to Get a Smooth Curve?

I have created a long cylinder with lots of loop cuts: When I apply this to a curve, the result is still very 'chunky': My curve modifier is like this: Is there a way to get a smoother curve?
2
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0answers
18 views

How do I use the curve modifier to make an object connects from one end to the other accurately?

So I am trying to curve this somewhat 3D flat plained object into an accurately divided cylindrical object. But whenever I tried to scale the BezierCircle up with an increment, it would always be off ...
2
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0answers
43 views

Using two different mesh with curve/array modifiers in one nurbs curve?

I am trying to create a road network with different meshes. What I want to do is to change the mesh of those inside the red box in the image below to a different mesh(like bridge). Any ideas how to ...

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