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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10
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1answer
302 views

Branching and swirling mesh on a ring

I need help constructing this ring. I thought it would be simpler, but the splitting and recombining of curves that swirl in variously symmetrical ways make the intricacy a little more difficult than ...
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272 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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1k views

Setting bouncing curve in graph editor

Is it possible to modify the bouncing and elatic curves in the graph editor ? For example, modifying the number of bounces, the amplitude, ... ?
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0answers
644 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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0answers
74 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? ...
3
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227 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
62 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
212 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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0answers
87 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
995 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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656 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
163 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 ...
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156 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 ...
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347 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
323 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 ...
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18 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 ...
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19 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
128 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
35 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: ...
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0answers
1k 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 ...
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0answers
104 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 ...
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0answers
45 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 ...
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0answers
28 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 ...
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0answers
57 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 ...
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0answers
144 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
58 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 ...
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0answers
267 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 ...
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0answers
99 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
114 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
299 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 ...
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0answers
185 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
289 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
140 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
57 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
670 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?
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0answers
17 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 ...
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0answers
39 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 ...
2
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0answers
257 views

A Soft body (Nurbs Circle curve) collides with a Plane but doesn't do it with Cube & other objects

The case is this: A soft body (Nurbs Circle curve) falls on the floor and on one more object. The floor is a Plane mesh, the object is a Cube mesh. Collision physics is enabled for both. The soft ...
2
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1answer
393 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 ...
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0answers
211 views

Radius is different even though mean radius is the same on beveled curve

The scale and mean radius on this beveled curve are all set to 1 yet the radius on that one vertex is is smaller than every other radius. How do I fix this and make them the same radius?
2
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0answers
236 views

Animate curve's bevel factor (preserve the order)

My object contains some separate curves and when I am trying to animate bevel factor, they act simultaneously. But I want them to respect vertices' order (X axis from left to right). Can it be done ...
2
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0answers
326 views

How to bake a curve animation

I'm trying to animate a curve with hooks. And I want to upload the curve to Sketchfab but it doesn't supports curves it gives errors on the model, so I want to bake the animation to a mesh madded by ...
2
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0answers
170 views

Bezier Curve TILT exporting

I am currently in the process of creating a rollercoaster outside of Blender, but I am using Blender to build a path for my coaster. I currently made my Bezier Curve along my imported Coaster. I ...
2
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0answers
98 views

Particles not piling up at end of curve

I have a particle system following a curve and hitting a collision plane at the end. The particles are supposed to pile up at the end of the curve, simulating sand blowing in the wind, however they ...
2
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0answers
109 views

Let text follow animated beziercurve

I have created a 3D bezier curve. In order to animate that bezier curve I have added hooked the curve with empties (ctrl+h used: https://blender.stackexchange.com/a/21234 ) Now I have selected my ...
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0answers
182 views

Get curve under mouse position

I need to select some mesh or curve from a modal operator. I can do it with mesh by using the template "Raycast View Operator" but not for the curve because they haven't got faces and the raycast ...
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0answers
125 views

How to make a camera exactly follow a path?

I have a path of 6 DOF camera poses. Say my path has 100 frames, so I have a 6x100 matrix. Now in blender, I want my camera to follow exactly that path. I have seen tutorials about creating a path ...
2
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0answers
143 views

Extrusion along a path-keep y-orientation of profile

I want to extrude a modified curve along a spiral path, which still works fine, but I want my profile oriented upright up to the end of the stairs. Right now it tilts - as expected because of the ...
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0answers
195 views

How can I get an entire 2D Bezier Curve Object to accurately curve over a bezier curve modifier?

I am trying to take a glasses object that I created with a 2D Bezier curve and then bend them over a bezier curve via object modifier to make them the actual shape of the of the glasses rather than a ...

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