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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31
votes
1answer
39k views

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?
12
votes
3answers
13k views

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 ...
6
votes
1answer
3k views

Problems with Curve Modifier

Every time I think I have the curve modifier mastered, it throws me a another curve ball (no pun intended). Why in this blend file can I not get the lights to follow the spiral curve? When the ...
8
votes
1answer
5k views

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 ...
18
votes
3answers
11k views

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 ...
24
votes
4answers
21k views

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/...
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 ...
8
votes
3answers
13k views

Wrap curve around sphere

I couldn't find this anywhere, which is really strange, but I'm trying to wrap a curve, imported from a .svg made with a vector image program around a sphere to create the Earth. Basically, this is ...
14
votes
1answer
4k views

How to aproach the modeling of duct work, piping, wiring?

I'm wondering what the best way is 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 ...
31
votes
4answers
52k views

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 ...
5
votes
1answer
2k views

How to make a bevel on text

How can I make a bevel, like in the "Gibson," for my personal inscription? Is there an automatic method to do so?
30
votes
1answer
21k views

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 ...
8
votes
1answer
2k views

Is it possible to extrude a curve in two directions?

I want to extrude a curve in two directions. Or join both curves into one, is it possible? I've tried copying it and then join segments, but I don't see Remove Doubles option while working with ...
5
votes
2answers
1k views

SVG Curve Incorrectly Rendered

It should be noted that this question poses a similar issue to some other questions on SE, but (the ones that I saw) were caused by massively large scaling factors, which (as far as I can tell) isn't ...
3
votes
2answers
3k views

Reducing internal faces generated by extensive curve extrusion?

Excuse my title gore. I've been modeling Gothic architecture: (reference) Here's the blend file I've been practicing with. So I'm extruding along curves a lot. The complication is the fact that ...
2
votes
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 ...
40
votes
3answers
191k views

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 ...
6
votes
1answer
2k views

better Curve/Text to Mesh generation?

The triangulation process of Text to Mesh or Curve to Mesh generates some nasty topology. I get why, but maybe it could be done a bit nicer? Since text is flat, have ngons instead of hundreds of ...
9
votes
3answers
1k views

How to animate multiple lines

I wonder what would be the best way of animating multiple 2 dimensional lines in blender. Lets say I have lots of line, that are parallel and have some sort of rule, kind of like a PCB board with ...
3
votes
2answers
3k views

How to evenly space vertices along several segments bezier curve

Is there a way I can separate the vertices on the the segments evenly without moving the end points? I would like for the vertices to maintain the current curve.
32
votes
2answers
83k views

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 ...
10
votes
1answer
12k views

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 ...
9
votes
1answer
847 views

Is it possible to hide curves' guides in edit mode?

In this example I use Nurbs curves to create shoe laces and it becomes quite hard to operate curves in the regions of loops and knots because of the curves' tilt/scale guides (not sure how to call ...
7
votes
1answer
1k views

Radius on beveled curve incorrect

The bevel depth (the radius of the tube) is set to 9cm but it actually isn't when compared to the background grid. This is is confirmed by importing it into sketchup and scaling it to the proper units ...
4
votes
1answer
665 views

Place/spawn objects along curve with randomized scale and rotation?

Is possible to place/spawn objects along curve with randomized scale and rotation? I'm looking for lazy way to create flowers and randomized procedural patterns. Thanks
29
votes
7answers
10k views

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. ...
15
votes
3answers
9k views

How to animate A curve segment?

How can I animate the position of a Bézier curve segment as shown in the images below?
10
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
2answers
642 views

How to reduce artifacts on curved text/vector [duplicate]

this is a problem I face a lot when working with branding and typography. After importing vectors/typing, extruding and bending (simple deform or curve modifiers) it always come up with those ugly ...
5
votes
1answer
841 views

Can I extrude a path in x/y

I'm trying to make a Game of Thrones-style map scene. The roads are defined by curve objects. I'm trying to extrude the roads in the x/y plane, but it seems to only go in Z: Is it possible to control ...
1
vote
2answers
442 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. ...
0
votes
1answer
278 views

Mesh deforming when add bezier modifier

I´m trying to model a race track using a bezier curve, but, when I add modifiers -> array -> curve I get this : What should I check for to get the mesh following the curve correctly ? Thankyou
2
votes
2answers
2k views

Why does adding a curve modifier move my object to the center of the curve?

I'm using a curve modifier and an array modifier. My object is at one end of the curve but as soon as I choose the curve for the curve modifier it moves to the center. How can I fix the problem so ...
33
votes
3answers
27k views

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 ...
12
votes
1answer
11k views

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 ...
22
votes
2answers
41k views

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.
16
votes
3answers
29k views

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 ...
8
votes
2answers
2k views

How can multiple Curves be used to control Camera movement?

I currently use a Track to Constraint to make the camera automatically point to an empty. In an animation the camera is moved along a bezier curve (follow path). How could I change the curve and ...
1
vote
3answers
454 views

Outlining in Blender?

I am currently working on converting my logo vectored as a SVG to a 3D model using the 2.72 version. I ran into a problem with my logo because it contains a black stroke and an orange stroke (see both ...
7
votes
3answers
2k views

How can I make a plane's edges taper inwards?

How can I deform one edge or multiple edges of a plane or cube so they are tapered in and rounded equally?
2
votes
1answer
615 views

How to edit curve, but not ruined tilt settings?

Here I have Roller Coaster set up correctly, but let's move only one random handle and let's look how the whole roller coaster set up is getting ruined. Everything is ruined, do I really need to set ...
56
votes
1answer
6k views

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-...
6
votes
1answer
3k views

Getting the list of points that describe a Curve without converting to mesh

I've used mathutils.geometry.interpolate_bezier() in the past to create points for a curve using the bezier handle and knot coordinates. from the docs: ...
13
votes
1answer
5k views

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 ...
5
votes
3answers
3k views

How can i edit a follow path constraint with the graph editor?

I made a follow path constrait with a curve, does it already have a linear interpolation so i can edit it on graph editor? i need the linear interpolation.
9
votes
1answer
14k views

Fill Bezier Curves

I'm having a big problem with the bezier curves in Blender. I'm trying to fill up the curves, but I can't. I have already seen some videos from YouTube, that say that I have to click on the 2D button. ...
5
votes
1answer
1k views

How to achieve animated handwriting with variable thickness?

There's a nice tutorial here showing how to get such an effect by tracing a real text object and creating a cruve from it. https://www.youtube.com/watch?v=QUVUR9jupMY The problem is this makes all ...
2
votes
2answers
516 views

Would this spiky hair be doable using particles system?

I'm trying to create hair like that using particle system with a curve object, but the results are not very encouraging:( From the particle system panel I've disabled physics and added some random ...
0
votes
1answer
468 views

Extruded SVG showing spikes [duplicate]

I have imported what appears to be a clean SVG into Blender (works fine for 2D) but when I try to extrude it, I am seeing spikes appear. Can anyone tell me what is the issue and how I can fix it? ...
31
votes
3answers
38k views

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 ...

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