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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495 views

How can I make a curved ramp?

I imported a DFX file and wanted to make a curved road but with elevation (a curved ramp basically). How can I do it? This is what I want to do. Thanks!
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Animate Soft Body Along Curve (Holding Form)

I'm trying to animated a shoelace along a curve that spells out a word in cursive. I know the simplest way is to just keyframe an offset along the curve but I'd like to have the shoelace being a ...
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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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Problems in adding batch curves_galores in script

I'm trying to create a batch array of curves galore changing randomly the parameters. I've created a script that works but since I could not find bpy.ops.curve.curveaceous_galore_add I needed to use ...
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2answers
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Complex cable animation issue

I'm making a cable animation. The first attempt was to use curve modifier, but the issue here is that the connector gets deformed as well. I've tried a different approach, by separating cable to ...
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1answer
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How To Reset Curve Profile with Script

how can i remove all points or reset curve to default ? (use code)
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1answer
30 views

How can I fill a “spinned/screwed curve”?

I am trying to make a cross-section of an object with a rotational symmetry. I thought using a curve for the cross-section with the screw modifier would be a better way to do that than using boolean ...
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PC2 file format for Splines

I'm using a MeshCache modifier with the PC2 format to animate a NURBS curve. I'm having trouble figuring out the correct ordering of the data in the PC2 file format. I.e. is it ...
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Why cant I animate using shape keys or locroc

Thank you for looking in to my problem. I am having an issue applying shape keys or loc roc to my scene. I am trying to animate one of the tentacles i have or just have shape keys move the mesh so ...
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How to convert curves to bezier?

I'm trying to make this hair particle system work on a filter. I converted it to mesh, then converted it to curve and now the file it's way to heavy. I read somewhere that I could convert to bezier so ...
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1answer
48 views

Merging verts by distance breaks smooth shading (Blender 2.8)

I created a wall piece from a cube, applied smooth shading to it and then used the array modifier, but after merging the verts by distance, it mixes up the normals in a random fashion, while for the ...
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How to convert back hair mesh to hair strands?

I have a problem I converted hair particles to mesh, and then to curves so i can make some arrangements, but now they don't look quite right, is their any way i can make them(curves) look like hair ...
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Attaching mesh to curve messed up

Using What is the fastest way to add vertices to a curve at a specific point? I've create a curve, and tried attaching a mesh with an array modifier set. This is what happened (.blend atached): My ...
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1answer
270 views

Connecting a face with another face along a specific curve

I need to connect a face with another face of a different cross-section via a specific curve. The face at the start of the curve needs to morph into the face at the end of the curve along the way. Can ...
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1answer
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How to hook a vertex of a curve to a certain object?

I'm trying to hook a curve vertex to an object and this method works perfectly: bpy.ops.object.hook_add_selob(use_bone=False) The problem is when I try to do this ...
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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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2answers
166 views

How to make non-linear movements with a Follow Path constraint?

I try to achieve a non linear movement with the Follow Path constraint. I linked my object to a bezier circle using the Follow Path constraint. It follows the circle with a linear movement, meaning ...
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1answer
77 views

match two mesh curves

I've got a situation where two objects meet and they both have curves. I need to make the white portion on the left side match the curve of the gray portion on the left side. The inside the white ...
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1answer
28 views

How can I bend a surface into a cylinder?

Ive got the mesh that is made up of hexagons and I want to curve it into a cylinder following the curve (circle) that is in the middle. Any tips?
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1answer
66 views

Curved grid - Cycles vs. Eevee

I'm trying to create a simple animation moving the camera through a curved tube, which has a .png image (just a grid) mapped on it. My problem is that I see some differences in the lines when I export ...
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2answers
41 views

Non-smooth curve and taper

I would like to make a bent cylinder with varying radius. Taper and Bevel seem like a good way to do this, however, I would prefer that the Taper curve is not a spline but a polyline, so that I can ...
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1answer
110 views

Clothes follows path then flies away

I modeled money in Blender and I want to make an animation where the money comes out of the ATM. Right now my money follows a path but after this nothing happens. I want that the money follows the ...
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1answer
213 views

Spiral rotation falloff within a particles system

I am trying to model arrows arranged in spiral manner. The effect I want to achieve is similar to the one in the picture: Essentially, I want to have the arrows rotate and tilt inwards in a radial ...
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1answer
217 views

How To Import .GCODE Into Blender For Rendering 3D Print Visualizations?

When I load a mesh into a 3D printer slicing program, I get a little wire preview of the tool paths the machine will take. Since many prints take 8-24 hours or longer, I want to make neat rendered ...
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Defining locked start and end points on turbulent splines in Animation Nodes

I'm attempting to make an animated "sound wave" effect using AN. So far I have the bouncing spline looking the way I want it -- How do you define specific points along the spline to NOT ...
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1answer
34 views

Boolean with bevel bezier curve

I have loaded an stl file and want to do some boolean stuff on it using python API (see code below). First I create the bevel spline and move the end points where I want them. Then I create a boolean ...
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1answer
397 views

How to extrude a curve in 2 dimensions

I am a complete noob to Blender, but have been using python for many years. I am trying to create a bunch of "wavy horseshoes" to make a 3d model (which I am intending to print with a 3d printer ...
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Can`t make the right looking bevel text, need some help!

So Im trying to do beveled text but it always appears with some kind of holes/creases that follow the shape, the text looks somewhat better in the Edit mode, anyway can`t figure it... I want typical ...
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21 views

array dublicate rotated individually along curve

How can I make an array follow a curve AND control a tilt or rotation of the individual duplicates along the curve? I've tried out including a lattice modifier in the stack but controlling it ...
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1answer
646 views

How to make a spiral lollipop?

So I'm attempting to recreate this specific lollipop for a class. I was able to model the lollipop, but I'm unable to recreate the twist with 4 colors. I tried modeling 4 elongated cubes and using a ...
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1answer
33 views

Trying to bevel a circle along a path, and getting a flat papercli[p

I am using Blender 2.90 on OS X. Sometimes just writing it out to everyone helps me resolve the issue. I created a path in Affinity Design and imported it as SVG. I do that a lot. I want to make a ...
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1answer
61 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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Aligning multiple objects along a shaped line

Building a human skeleton, trying to learn new skills apart from sculpting, so for the spine I wonder what the best way would be to align the vertebrae along a spine-shaped line. I drew the line as ...
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1answer
117 views

Bezier curve taper not working

I am trying to make a wine glass, exploiting its axial symmetry. I have a bezier curve spine (a line) which I have bevelled using another bezier curve ...
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1answer
32 views

For loop splines amplified ! , why? How can I stop it?

I am creating a for loop to connect pairs of objects by a Splines To understand better image atoms in a molecule. It seems that every time I create a new spline is in someway taking in consideration ...
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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 ...
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1answer
21 views

Measure length of “curve” (or similar) by drawing on mesh

I know there are a million answers on here about measuring the length of a curve (like this one, which is pretty much what I want to do) but I feel like this situation is a tiny bit different. I have ...
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1answer
62 views

blender 2.9 curve handles not visible until selected

In previous versions once you go to curve edit mode you see all curve control points handles. But in 2.9 it's only dots. To see handles you must select control point first This is not ok if I want to ...
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2answers
574 views

Wrapping a flat object around a cylinder and joining it

I'm trying to make a nanotube model and while I can get the flat structure to loop around a circle, I'm not sure how to join the ends of it into a complete structure. I started with the flat structure ...
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4answers
56k 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 ...
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0answers
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Blender 2.8+ Editing Spiral Curves

I've looked everywhere looked through every menu, and for the life of me I can't find the spirals menu in blender 2.8. I can't add turns or steps to my spiral curve, can anyone tell me how to bring up ...
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1answer
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How to use Spirals after Patch 2.7

Hi my question is how do i add Turns, Radius and Height as will be seen in the picture below. As you know if you want to use spirals you need to have them on as an addon and its really easy to use ...
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0answers
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Timing Belt Alignment Troubles

Im Making a Cosworth BD Series Engine and im having an issue in aligning the Teeth on the timing Belt Without altering the rotation of the crank and camshafts or their Pullies. The Belt Used has 146 ...
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0answers
27 views

An object moves along a curve, but followpath doesn't match the curve bevel resolution

I want a car in blender to move along curves, and use curves to represent the trajectory of the car. The speed of the car is non-uniform. I have used the bevel_factor_mapping_start of curves to ...
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1answer
5k views

How to make curve cylinder?

How to make curve cylinder? Now I have a static ones, but I would like to make them curve. Is it possible to change them somehow?
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1answer
35 views

Can't edit beziercurve, handles are not visible

Using blender 2.90.1 i'm trying to make a knot using a bezier curve. Suddenly I can no longer edit my bezier curve. In edit mode the handles are not shown (see screenshot). My overlays are turned on ...
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0answers
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NURBS Path not extending all the way to tips

I have two Path objects that I've joined into a single object here for comparison. The one above was generated with a Python script. The one below was added the typical way from the menu Add > ...
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0answers
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Add > Path with custom geometry using Python [duplicate]

I am writing a Python script and in part of it I want to do an Add > Curve > Path operation, but instead of the default 5-vert straight path, I want one at the object origin (which I have pre-...
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1answer
162 views

Create curve from Numpy Array using Python

I have looked through previous questions on this and many other boards and I cannot seem to find a previous answer. I have a largish Numpy generated ndarray that represents a harmonograph output (...
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3answers
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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 ...

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