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.

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Animation nodes´ path animated camera is not smooth

I got an animation node script from this question (Is there a way to animate a camera along a curve at specific speed?) and the node tree looks like this: The setup works well (thanks for ...
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1answer
20 views

How to curve my subdivided mesh along it's y axis [duplicate]

I have a simple mesh that i have subdivided along its y-axis, i want to curve it along an arc but i can't find the way to do it with a modifier, how exactly can i curve it along an arc?
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1answer
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Array modifier start/end cap error

When making a curve with a "Toggle cyclic" setting and setting object with modifiers curve an array, object overlaps with himself like on the picture. You would usually solve this with Start Cap and ...
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object with curve modifier doesn't work properly

So I decided to learn about curves and after making a curve I added resized cube with a modifier "curve" with set object of the previously mentioned curve and then I changed the length and shape of a ...
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0answers
35 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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2answers
101 views

How to creat those round edges?

I found this "Ghost" image online, and I tried recreating it in Blender. I started with a Cube then applied a Subdivision to get the head, but my problem was creating the tail. How to get that ...
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1answer
37 views

Need tips on hard surface curves

im working on pot of greed from Yu Gi Oh. I have modeled the base mesh and was wondering if anyone has any tips on doing these curved lines highlighted in the image below. Thanks in advance!
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Sapling generator leafes and particles

I made some dead simple trees with the sapling generator. I wanted to use them as hair particles in a particle system on the ground of my project. But dear blender God above decided that it shall not ...
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1answer
23 views

How to animate cutting of a curve?

I have an array of molecules along a curve which makes the DNA model. How can I show the cutting of the DNA like what is shown below. I want to show the DNA get cuts and moves apart like this.
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1answer
63 views

I want an arrayed object to be upright throughout a tapered spiral

I want all of the objects to stay upright and un-distorted throughout the whole structure. Also if you notice anything fucky with what I'm doing and have suggestions I'm all ears. I am new to this ...
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2answers
43 views

Is there a way to animate a camera along a curve at specific speed?

There are two ways to animate a camera along a path: 1) Follow path Constraint and 2) Parent (follow path) command But they both have the same problem: The speed of the camera depends on the length ...
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21 views

Snap points from physics simulate curve

I'm trying to simulate a softbody dynamics in a curve, and there are old videos (from before Blender 2.81 which is what I'm using) showing that, once u have the curve parented to sth, the curve's ...
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Modelling a steel structure frame [duplicate]

I am trying to design a steel structure frame, like this: Obviously, I can model individual beams of different length and arange them, however, it feels like there should be an easier way. My ...
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29 views

Keeping track of multiple meshes after joining them

This is a followup to this question. I figured out a possible way to get my results, save for one issue. My idea was to use a Follow Path constraint on my waypoints with the driving curves as a ...
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Why is my chain (array, curve) distorting on my subdivided curve in Blender 2.8?

On Blender 2.8 & I followed this as well as other to no avail: How do I stop my chain distorting along a curve? My origins seem to be where they should be. Chain at first seems okay. Then I ...
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Smoothing creases in a mesh

I have this abstract form I'm modelling, it began as a bezier which I bevelled, converted to a mesh and then shaped a little bit with sculpting tools. The topology isn't too bad, but I've got some ...
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How to creat a flow chart with curve modifier & instancing?

I try to creat some sort of shadless flow chart thats show the signal flow from one Device to the next and can be compositing over a render view layer. Have some problems with the curve and ...
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1answer
66 views

Hooking a series of empties along a curve

Right, so: This is for a game where you can grind rails, and the rails function with waypoints which I generate from Blender empties. So far so good, I've already got a handful of scripts to ...
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1answer
33 views

Why curve modifiers deform my mesh

I have this: a plane, as you can see. Object mode: And a Curve: When I try to create a rolling mat effect, using the curve modifiers, the plan is deform like this: What I want is to keep the mat ...
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2answers
291 views

Editing a simple curve

This is such a dumb question, I'm embarrassed to ask - but I cannot figure out how to modify this simple shape. The shape comprises a 'fancy' head and tail connected by two straight segments. All ...
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0answers
23 views

How do I prevent weird shadow clusters on curved surfaces?

I am trying to make a rather complex surface (as pictured) but find that my geometry is making weird shadows. I've already recalculated and checked normals and vertices alignment. Any advice would be ...
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1answer
33 views

How do I delete the faces on this SVG?

So I uploaded an Illustrator SVG to Blender and opened it. The problem is that the SVG now got some extra faces i didn't need. I need only the outline/curves and also I can't find anymore the face ...
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1answer
36 views

I can't get an arrayed object to follow bezier curve

I've done this hundreds of times in 2.7x but in 2.81 I just can't get it to work no matter what I've tried. Sample file attached. I have a simple object I want to array to be, say, 5 kilometers long. ...
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1answer
31 views

Add point to path in python api

Version: Blender 2.81 Using the Python API, I want to create a default path and then add individual points to it. The code below does this. Except that it extends both the beginning and the end of ...
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1answer
30 views

3d chess pieces from bezier curves

I am trying to make a chess set in Blender I have made chess pieces blueprints as 2d bezier curves in Adobe Illustrator. Now I would like to import them to Blender and then using Lathe-like operation ...
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1answer
26 views

Arrayed plane not following curve

I have a Plane converted to a curve and I have another plane (with a bunch of loop cuts in it) that I'm trying to wrap around the curve. But when I apply the proper modifiers (as Ian Hubert did in ...
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0answers
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Complex bend insets on a plastic bottle [duplicate]

Any idea how to make these insets on a plastic bottle? Tried with bezier + lettice but results are not good and with no control once applied. thanks!
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32 views

Bake animation along a curve to keyframes

is it possible to bake an animation along a curve to keyframes?? I've been trying to create a snake 🐍 like movement of an object that curves on a the bazier but the result is that the object only ...
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0answers
17 views

Uneven thickness when using bevel object along a curve [duplicate]

I want to add even thickness to a zig-zagged line. Therefore, I converted the line to bezier curve and used another beziercircle as a bevel object. The result is uneven thickness as below. Any ...
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1answer
26 views

curves inside-out

It does not bend the other way around, how do I fix this?
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2answers
51 views

Unsubdivide curve

I have converted annotation tool to a curve. But the vertices are too dense. Is there a way to unsubdivide it? Like for example by selecting every other vertex? Or is there a straight way to draw a ...
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1answer
20 views

Rotate bezier handles with Python to face normal

I have a Python script in which I create a bezier curve. I want to rotate the first and last handle so that it is perpendicular to the normal of a certain face. Something like this: I have the face ...
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0answers
34 views

How can I keep quads flat when fitting a mesh to a curve?

I'm making a race track using a bezier curve and a simple mesh with an array and curve modifier to fit the curves. This is for a racing game in Unity. When moving the model from Blender to Unity, I ...
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2answers
25 views

Initial animated particles on a force field path: How to control/hide?

I can hide the emitter easily and control the end where the particles "die out". Yet I'm also looking for a way to hide the initial portion of particles lumped up i front of the cue of a system with ...
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25 views

How to start in the middle of a path?

I want to animate a tube that follows a certain path, but is starting somewhere in the middle of the path. In the image below, I made two bezier curves, extended one with the path that should be ...
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0answers
15 views

Exporting curves to a 2D file for lasercutting [duplicate]

I am trying to prepare a file for lasercutting using blender. I have a bunch of 2 dimensional curves and am trying to export them to a 2D file type (either dxf or svg). Unfortunately none of the ...
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2answers
42 views

How to add bezier curves (start and end) to a 'follow path' animation?

I added an object to a curve as a follow path animation but the animation seems too linear, I can only change the parameters of the curve as I see, how can I give it a proper start and end? (like a ...
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2answers
354 views

How can I switch the direction of a Curve on Blender 2.8?

How can i switch (invert) the direction of a curve to the opposite direction, in Blender 2.8? It seems that the shorcut for this option has changed.
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1answer
25 views

Can I make mesh curvy?

I have this basic circle extruded and I want to know if, with the selected mesh, is there a way to make this mesh a smooth continuous curve, Not this jagged angle?
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48 views

How do I solve problems with overlapping bevel geometry on a curve?

Noob here. I want to make a kind of topography from a curve that is beveled using a basic triangle. But this triangle used as the bevel object is much larger than the curve. In places the curve ...
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1answer
15 views

NurbsPath causes object to rotate when specified in Curve modifier. Not seeing why

I'm following a 2.79 tutorial with a 2.8 release. At one point the video is trying to curve the blade using a Path and the Curve modifier. I've tried moving the origin points of the blade object and ...
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2answers
58 views

Blender for virtual surgery planning

I'm trying to see if I can use Blender for virtual surgery planning. I have an STL model of the patient's skull. I would like to cut out pieces of the skull and manipulate them. Here's an example of ...
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0answers
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Blender 2.8 python. Update Curve object after setting tilt with python

Can't get the curve object to update after apply changes in python in blender 2.81. For example: bpy.data.objects['my_curve'].data.splines[0].points[0].tilt = 2 ...
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0answers
22 views

Knife tool randomly snaps to weird places and creates weird geometry [duplicate]

So, I have been experiencing problems using the knife tool. Normally, when I am using the knife tool it just creates a straight line between the two points I click. However, sometimes when I am ...
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22 views

How to make the hair have more curl?

I'd like to add more curl to my hair and above is my current one. It has approximately 4 curves currently but I'd like to increase the amount by 9 or 8. But the 'frequency' bar's maximum value is 10 ...
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0answers
45 views

Baking and / or Key-framing Bezier Curves Animation created with Animation Nodes

How can I bake and / or Key-frame Bezier Curve animations created with Animation Nodes. My goal is to export an animated key-framed object out created with Animation Nodes using Verge3D to have the ...
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1answer
117 views

No object option when adding a geometry bevel to a curve?

I'm trying to extrude a circle along a bezier curve. Normall i would create a specific object ( in this case a circle with 32 verts) and use that as the bevel object for my bezier curve to refer to. ...
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0answers
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How to get particles to follow a curve and follow the path angle

I have a particle system with an object collection of a different long line meshes. I have it following the curve ok but the instance does not change its angle as it follows the path. How can one ...
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0answers
23 views

Drawing a distorted spiral Curve

I'm sure this is not very complicated but I'm new in Blender and trying to figure out how to draw this curve I attached. Basically the form will look like a circle from the top view and have this ...
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1answer
33 views

Curve Object Deformed by Curve - Distortions (Artefacts)

Shaping curve object by curve (modifier) results in a terrible shape with cracked surface. Here is an extreme situation, but good visible issue. Perspective Top How can I curve it smootly without ...

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