Questions tagged [bezier]

Questions about Bézier curves, a type of path with control points used to create smooth curves. Ask anything about how to create shapes and objects using bézier curves, manipulate the control points or its properties.

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4
votes
1answer
2k views

How to make beveled 90 degree corners on a curve better?

I know the title is a mouthful, but this is the problem: I made a curve with 90 degree corners, like so: I then beveled it, and this was the result: As you can imagine, this isn't very pretty. I'm ...
2
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2answers
1k views

How can I make a perfect sweep with bevel object in Bezier curve(3d) (Pipe)

I can't create a Pipe 3D without annoying shrinkage in the corner of my bezier curve using bevel object. Those are my step. I create a bezier curve (on 3 axes) transforming two corner in Vector ...
3
votes
1answer
300 views

Animating appearing/extending strip with gaps

As i am new to blender i decided to learn by recreating some animations which have some interesting problems, and gain more knowledge about how tv intros are being done, collecting some parody intros ...
1
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2answers
427 views

how can I extrude curve shapes onto curve without tapering

I'm stuck. Can't figure out how I can extrude a closed curve onto a NURBS curve without it looking tapered. I notice that when it's set to "2D" there is no tapering, but I want to do it on 3d. ...
9
votes
1answer
1k views

How do I add a non-deformed end cap to a tube?

I want to create some parts that I can reuse for models. I was trying to make a steam punkish exhaust pipe. I want to be able to make the pipe of any length, and as curvy as I like but I want to keep ...
2
votes
1answer
253 views

Planar curve with width

I have a planar bezier curve, this curve is in general not closed but it can intersect itself. What I want is to give this curve a finite width in the plane of the curve. I have found many ideas ...
0
votes
1answer
306 views

Make bezier cuves follow/face/parallel to the mesh to make hair

Why am I doing this: I'm looking for an easy way of creating polygonal hair. What I'm doing: As I understand, the quickest way is to convert the particle 'guide'-hairs to bezier curves and add a ...
1
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2answers
3k views

Rounded caps on a Bezier Curve pipe

This may be a simple question. Essentially I am procedurally generating random 3D figures using a bezier curve and bezier circle bevel object, however, one of the only things I can't figure out how ...
1
vote
1answer
316 views

How to create reeling (spool) effect?

I'm a newbie to Blender. I would like to know if we can create reeling effect (Cloth spooling around a cylindrical object). I found couple of tutorials in which a map is rolled up... but it rolls up ...
2
votes
2answers
5k views

line segments with edges into a curve

I want to give these line segments a continuous cylinder shape, like a Spaghetti noodle. My aim is to make this path visible in render mode. At the moment you are not able to see it in render mode ...
2
votes
1answer
441 views

Creating an bevel inset on an imported SVG

I am trying to create an insetted bevel on an imported SVG in Blender. I so far have the SVG properly imported, and am applying a 0.02 bevel depth to its geometry, and a 32 resolution to that bevel so ...
1
vote
1answer
207 views

How to animate a metal backbone?

Hello i've made a cyborg (a human body with metallic parts) and i have alot of difficulties with the rigging (the metallic parts deforms when i dont want them to) and especially the backbone! there ...
0
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1answer
846 views

Python: Store rotation / normal in bezier curve point?

Still trying to visualize a game file format in Blender, I think I reached a limit of what I can do with Blender Bezier Curves. The game file format defines the coordinates of the curve point and the ...
3
votes
1answer
2k views

How to let a cable hang so that it look realistic

i just have made a lamp on a cable hanging from a beam, but i doesnt look realistic. How can I animate the cable so that it hangs from the bean like a cable would?
1
vote
1answer
751 views

Bezier curve interpolation not uniform

I generated a bunch of points using mathutils.geometry.interpolate_bezier() but noticed the points are not uniformly distributed on the curve. Please see attached screenshot. I think it has to do ...
0
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2answers
219 views

FCurve handles to 3D Bézier spline control points

I'm trying to export Bézier curve animations from Blender, but i can't seem to figure out how the control points of FCurves should be interpreted. A Bézier keyframe for a 3D position typically has ...
-1
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2answers
72 views

How do I turn this Bezier thing into a normal mesh that I can edit?

I followed a youtube tutorial to make the handle of this watering can. I had to make a path and a "bezier" circle, I don't really know what that means. The outliner looks like this I can't actually ...
7
votes
1answer
2k views

Animate object along path and deform accordingly

I'm trying to animate an object across a bezier curve using path constraint but, even though the orientation of the object changes correctly, its shape doesn't change. I'd like it to "deform" ...
14
votes
1answer
6k views

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 ...
9
votes
3answers
2k views

Generating jigsaw pieces from svg curves

I have generated the laser cut of a jigsaw in Inkscape. After importing the svg in Blender I am now trying to extract each jigsaw piece into it's own object. The problem is that my SVG is made of ...
2
votes
1answer
247 views

Bezier masks for use with groups of shapes?

I'm using Blender to do some 2D, shape-based animation. Everything you see here is a Bézier shape. To animate the mouth and eyes independently, I add holes to the head shape and then stack the eye ...
10
votes
3answers
1k views

What is the mathematical basis for F-Curves?

The Blender user's manual says: Although F-curves are very similar to Bézier Curves, there are some important differences. One of these differences is the fact that an F-curve doesn't allow a ...
5
votes
2answers
8k views

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 ...
2
votes
1answer
242 views

Make Bezier Curve look like Torus Array

I am just sitting here at my very first own project and just thinking if it is possible to make a bezier curve look like a torus array like seen in example picture. Hope anyone can tell me how to do ...
1
vote
3answers
258 views

Square-spiral path

I'd like to model a path that goes through a spiral-like, rounded square loop, then loops back out. I know about the Extra-Spiral tool, but that only gets me halfway through. I want to accomplish ...
4
votes
1answer
1k views

Object wobbling and shaking while camera following a path

I have a cube object and I'm trying to move the camera in a spiral and then render the video. When seen from the camera view, the cube object seems to wobble a lot along the z axis. I have seen this ...
3
votes
1answer
105 views

Follow bezier with scale variation

Could you help me please? I need to a pattern where spheres are following a bezier curve without deformation, touching each other but with different scales in some parts of bezier line. The spheres ...
2
votes
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 ...
1
vote
1answer
585 views

Bend a bezier curve along bezier curve

I would like to bend a complex bezier curve with a curve modifier. What do I have to regard in respect to the curve that gives the shape? Number of control points, location of curve in relation to ...
1
vote
1answer
203 views

Curve modifier does not work when you merge another curve to the original curve

I am trying to make a roller coaster. I started with making a single piece of track, then added an Array Modifier, then Curve Modifier (where my curve was a simple NURBS curve). Now, wanted to add a ...
1
vote
1answer
102 views

How to rotate bezier control point (viewport not updating)

I working on a procedural system that defines two bezier curves and bevels them together. I cannot, for the life of me, figure out how to rotate the handles on the control vertices of my bezier curves....
0
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0answers
105 views

How to make branch from bezier curve [duplicate]

I have just a normal bezier curve. And i have sub divide once. I want to extrude the sub divide vertex. Like the branch. But when i extrude the handle is remove and when i extruded from the handle it ...
0
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1answer
101 views

why is the diameter different on these two Bezier curves using the same Bezier circle as a bevel object?

I have created three closed Bezier curves. The first, "loop" and the second "shape" are simple Bezier circle that have been scaled and the scale applied. The third, "knot", started out as a Bezier ...
0
votes
1answer
293 views

Distorted mesh when I use a bevel object on Nurbs curve vs. Bezier curve

I have a series of objects that I have procedurally generated use Bezier or Nurbs curves for which I then attached a Bevel and Taper object. When I use a Bezier curve the objects come out correctly. ...
0
votes
1answer
198 views

How do I get the screw modifier to go around the Y axis for a 2d Trace

I want to recreate a chess piece (Bishop) by wrapping a side trace around the y axis. However, when I use the screw modifier, it decides the y axis isn't good enough and does this to me. This isn't ...
0
votes
2answers
2k views

How to fill the surface of a “wireframe”-sphere in Blender

I have half a sphere together with a full sphere as separate objects in a blender file. I load them from a X3D file I generate externally. I get them as something, which seems to be something like a ...