Questions tagged [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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13 views

Set active control point in script

How do set the control point of a bezier curve to "active" in script in 2.8? Like so: I want to hook it to a new object like so: ...
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Control mesh with curve modifier using vertices instead of curve knots?

I have a manually created rope mesh that has a Bezier curve modifier. Currently, I can control it by selecting the Bezier knots in Edit mode and dragging them. However, I want to be able to ...
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23 views

How to create a flat ramp out of stairs?

I need to create a flat ramp, I have tried to dissolve the edges but its not producing the desired outcome, any ideas? My current setup: If I dissolve edges I get the following: thanks for your ...
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1answer
23 views

How to quickly render 2D/3D Mathematical curve animations without the shadow details

I am thinking of starting a new YouTube Channel where I'll be doing Math videos. So I'll be doing things like animating curves, similar to the picture attached below. So I don't need much of the ...
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vers 2.8 How to retain keyframe positions while growing animation curve

I have an object following the path of a Beizer curve. At a few offsets of the curve I've got keyframes to set the position on the curve at a frame number. If I extrude a curve, the keyframe curve ...
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1answer
25 views

Cap a beveled curve with a half-circle

I have a curve beveled with a rectangle. I want to cap this curve with a half-circle as shown on the right. The capped curve should be a single object (even if the curve must be converted to a mesh). ...
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19 views

Extrude and Bevel problems with SVG Curves

Alright, so I'm working on a background using a 2D logo I've created for myself in Illustrator. Ive decided that for starters, I want to turn the logo into a 3D object, with each path beveled on the ...
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1answer
29 views

Displace Mesh along Curve on single axis

I am modeling bridges and want to use a curve to shape them. However I only want the vertices to move along a single axis (like Z). With the Curve Modifier, the panels don't hang straight downwards.
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8 views

Delete NURBS control points using a script in blender 2.8

It's possible to add points to a NURBS Curve using bpy.context.active_object.data.splines[0].points.add(), however there doesn't seem to be a ...
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28 views

Can armatures be posed by curves [duplicate]

I created a rig for a leg with many segments. Posing it would be too tedious, due to the large number of bones and segments. So I intended to make the armature pose following a curve, but couldn't get ...
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24 views

Problem with proportional editing on a curve

I have a curve (which is a loop) that I am trying to manipulate in edit mode. When I use proportional editing with connected mode, a certain part of the curve is not affected. It only seems to happen ...
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1answer
63 views

Animation Nodes - curve and objects

How can I distribute objects along a curve with animation nodes? AN 2.1 Blender 2.8 Thanks!
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1answer
22 views

boat structure modeling - shape to curve along a surface

I'm trying to model a boat structure using blender. I'm using curves or a subdivided mesh for the hull (outside shape) to define the outside. For the bulkheads (cross sections) I'm using planes and ...
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27 views

Vertex at curve/circle intersect

I haven't found out how do things in Blender that can be done i Geogebra for ex., Lets say I want to make a circle and then make more circles that have centers somewhere on the circumference, or a ...
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1answer
36 views

Bezier Tube - How to Fill the Ends? [duplicate]

Would like to fill the end of this Bezier Tube with the same radius as the sides, not a flat piece. How is this done? The OP may make further edits I would like the end cap to have a rounded over ...
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1answer
24 views

Merge a curve with an object

How can i merge a curve with an other mesh? It doesn't work with ctrl+j - Error: no mesh data to join. Is possible to do that? I created a lightbulb and the filament is made from a curve and i want ...
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Drawing a Nurb curve upon a surface and then using the knife tool to cut the surface with it

I succeeded in doing so last night, but cannot now repeat it. With the Surface option it’s possible to draw a Nurb curve onto a surface and evidently to employ the knife tool using the surface Nurb ...
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24 views

Cell fracture in blender

I want to create fractured model of my rounded cube. Here it is https://drive.google.com/open?id=12eOLG2p4-TWMr0Dg8SNjqnmGZuUxURPJ Picture Then, i'm trying to apply cell fracture with such ...
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21 views

Bevel on curve and acuirate 90-degrade angle

It is necessary to place the profile on the wall (given the doors and windows, bends under 90) I use a curve along the wall, with a bevel. I can't get a beautiful bends, somehow everything is shifted. ...
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19 views

Adjust Last Operation [duplicate]

Would like to know if there is a panel that show the same informations as the "Adjust Last operation" panel and if this panel can be always on. When I need to change some curve parameter afterward I ...
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20 views

Smooth selection along a curve

I would like to know how I can make a smooth selection along a curve (like proportional editing object mode). If i use proportional editing object mode with a spiral and a large radius of smoothness ...
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1answer
81 views

Make a Soft-Body to follow path

I am making a small tetris animation but the problem is that the blocks are not falling as they should. Sometimes they collide with the container walls and sometimes they do not land on the position ...
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2answers
50 views

Keeping array objects straight when duplicated along a 3D twisted curve in Blender 2.8

i have defined a 3d NURBS curve and want many copies of an object to be laid on the the 3D curve, but without any deformation or rotation on the object. I've tried using a curve + array modifier on ...
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46 views

Procedural Entangled Vines

Is there a way in Blender to procedurally create a group of vines or "cords" "cables" etc that get entangled? Instead of manually moving all vertices to create this entanglement
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1answer
59 views

Bending curve/object around another object

I'm trying to make some 3d fx and I imported my basic svg file. Now I want to wrap it around the top surface of the object but I don't know how. Can somebody help me accomplish this? Here's how I ...
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How to create a path (curve) from an equation?

So what I want to do is draw an orbit of a planet (say, Mercury) with a proper shape and orientation. Then I want to make a sphere with a texture of Mercury and make it move along the orbit (with the ...
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2answers
33 views

How to join splines

Right now I'm facing the problem where I have to connect two vertices. As it is shown on the picture the vertices are related to the same spline, so I can't use "Make segment" tool. Also I can't use "...
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25 views

Snowmobile path creation

I tried a lot of times and different ways to create my path. Its like a tank path.I didnt make it. Just tired to trying a lot of times because when i move my vehicle path deforms.Can someone help me ...
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1answer
21 views

Having problem joining (make segment) two curves

I'm trying to join two curves without success. I can extrude a single curve (E). I can close a single curve (F). Using 2.8 on Linux. The 2.8 docs may be from an earlier 2.8 beta? Thanks, Ajlogo
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Strangeness in the trees

when I creating a tree in the default Add curve: Sampling tree gen plugin, I need to export the finished tree as an animation mesh without any modifiers and curves to another engine. The problem is ...
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1answer
268 views

pipe which has non-uniform cross-section

I want to create a shape like a pipe, like below image and blend file. I created the mesh below in Houdini, but I could deal with it only in simple case, and I couldn't improve it any more in Houdini....
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1answer
57 views

Modeling a Mambele

I am attempting to model a mambelle, a sickle sword, and I am using curves to try and model. I am running into issues where I get the only partial outline, or I get the outline but the model is solid. ...
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19 views

Project a texture onto a Mesh from a Curve

I've been looking for an answer to this for a while now. I have a mesh object, where I would like to draw lines on it, without using the texture paint tool. For instance: a mesh garment with stitch or ...
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17 views

Pin a NurbsCurve and use soft body

I have a NurbsCurve "growing up" in my animation (like a leaf of grass). I would like to have it "stick" to it's top/end point and THEN act like a elastic band hanging down. So I have tried using ...
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1answer
37 views

Array isn't following edges of curve

I converted my rectangle into a curve so that the array can follow the path, but as you can see in the picture it's trying to smooth the edges. I already applied scale, location and rotation for the ...
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31 views

How to render bezier curve with array?

I'm trying to render this circle of balls up to this plate, I'm using for this a bezier curve with an array modifier but every time I try to render, the balls don't appear.
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34 views

Alignment of Segmented Teeth along curve and Animation

I am working on a small project that involves drawing a curve over a set of misaligned teeth then transforming/ aligning them accurately along a curve that is drawn over the teeth as a guide to their ...
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3answers
144 views

How to create razor wire

I am trying to create fences with razor wires on them, as to be seen here: I modeled it as a straight wire first, adding the blades in an array and then combined the cylinder and the blades to one ...
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Is there a simple way to apply Bezier curve bevel after the modifier stack?

As an example, if I: create a Bezier curve add a Shrinkwrap modifier to the Bezier curve and target some other object with it add a Bezier Circle and set it to be the Bevel Object of the Bezier Curve ...
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13 views

Automation of the same type of renders

I have many profiles in curves (10+, maybe even 50+). For example: Each of them should be extruded and placed on the wall like this, and render. Is it possible to automate the process? Or at least ...
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1answer
89 views

Circuit board (technical elements) with particles

So I was watching this video the other day: https://youtu.be/-pH48mSEH0M?t=243 and at one stage they show off how they made some of the technical elements of their VFX's. 3DS was being used for this, ...
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2answers
37 views

Adding a random offset to drivers

So I want to animate multiple "cables" (witch are curves), i want to animate the bevel start (or end) and add a random offset to this value. I could put some keyframes and offset them manually but i ...
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2answers
80 views

Project Curve on Surface

I would like to know how to project a bezier curve onto an extruded bezier curve. as an example in Autodesk Maya is: Create a curve-on-surface Is there a way to do this in Blender 2.79b or the soon ...
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1answer
41 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 ...
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1answer
37 views

How to fix irregular cross section and shape-stretching while curving a mesh?

I am trying to create a finger ring made of connected hexagons. The steps I followed were: 1. Create a mesh of 7 connected hexagons lying side to side 2. Bend that mesh using simple deform around a ...
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19 views

Curving an object in the shape of a bracelet? [duplicate]

I am quite a beginner in Blender. I've managed to design a bracelet like this: It has 2 main objects: the frame and the white part And I would like to curve it so that it fits around an arm, like ...
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37 views

Curve a Straight Line?

Is there a way to "curve" a straight line? In AutoCAD it was a very simple process. I cannot though find a way to just take a straight line in Blender 2.8 and make it curved between the two vertices?...
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1answer
51 views

What is the best way to make these wire wraps around a mesh?

i'm trying to re-create this type of effect on a body mesh i have modeled basically lots of metal curves wrapped around the mesh, most of them starting from the chest area (the center, core in the ...
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1answer
74 views

Laying curved bricks in a circle

I want to recreate the brick layout in the well image below. Specifically, I want my bricks to perfectly mate end-to-end (in the image below, the bricks appear to be uniform size, each 1/8th the ...
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1answer
61 views

How to extend curve on another curve

I'm trying to get something like this Now I'm struggling with extending this curly spring on a circle When I try to use array and curve modifiers it doesn't work the way I want. For example, if I ...