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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2
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2answers
421 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 ...
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0answers
18 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
26 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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1answer
1k views

Are curve physics possible?

For example, I'm using a tree generator addon that creates trees in curve form. I have a strong wind forcefield in the scene as well for the grass. Is it possible to apply the curve to the physics?
6
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3answers
4k views

Spin tool is not shown in toolbar when trying to spin a curve

I am trying to find the spin tool in Blender version 2.68. It's not on the left panel. Should I check something in the preferences? Here is a screenshot:
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2answers
26 views

Creating and Animating Line Segments? [duplicate]

I have a zig-zag figure I want to import and manipulate in Blender, preferably on a segment-by-segment basis. The canonical method for doing "line art" in Blender appears to be to create a curve ...
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0answers
9 views

Bezier curve bavel with bezier circle messes up my rollercoaster

When i move the curve up for one track every other track rotates which i don't want to rotate
2
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1answer
247 views

Deform a complex pattern along a 3d path, maintaining vertical

I am trying to create a patterned railing for a curved staircase, like this: Except that in my case, the staircase does not have a constant curve. This is a straight segment of the railing I am using:...
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0answers
42 views

How to achieve random distance, rotation between copies with array and curve modifier?

I'm doing a crown, and I put the thorns on the stem with an array and curve modifier. I'd like to have the thorns to have non uniform distance and rotation around the stem. How can this be achieved? ...
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0answers
37 views

How to convert to Mesh from Curve with Python

I'm making a bunch of abstract objects that are shaped programmatically. I use a Bezier curve, you get nice molds with few points. Then I need to convert it into a mesh object. Blender version is 2.80....
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3answers
185 views

Rotate along curve, using a empty?

I´m trying to rotate an array of objects along a curve, using a empty object in the middle that can be rotated. Using a curve-modifier I'm able to rotate the objects as the green arrows show. But I ...
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2answers
32 views

Any way to turn off the black lines in curve edit mode? [duplicate]

Is there any way to turn off the black lines in curve Edit Mode?
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0answers
23 views

How does one figure out how big to make an object to make it scale to fit a Curve Modifier perfectly?

Suppose I want to make a flat surface curved using the Curve Modifier; how do I do this so that the flat surface follows the curve from end-to-end exactly? I can hackily scale the flat surface along ...
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0answers
15 views

Distributed objects python script

I'm trying to distribute objects along a curve as an add-on in a modal operator like in this link. I did it for a line an it works ok. The problem comes when I want to evaluate a curve with different ...
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1answer
40 views

Curve fill is clipping from Illustrator SVG export

Can't figure out why the fill in this imported SVG "k" curve is clipping like this. Other letters in the same import are filling fine even with islands but two letters are clipping like this. Any idea ...
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0answers
28 views

Bezier curve seems to be locked from moving on certain axis

I am in 2.81 and created a bezier curve to act as a string in a scene. However, when I go to edit the curve, I grab the end point and attempt to move it on the x axis and it won't go that way. It will ...
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1answer
37 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....
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0answers
23 views

Subdivision pinched lines after deleting faces

I am trying to create the same smooth sweeps as in this photo, but the But I'm having a pinching problem when I delete my faces at the points highlighted. Is it possible to fix this? and how?
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1answer
13 views

Can you animate a beveled spiral curve into a tapered version with even thickness?

Hey there I’m trying to get this beveled spiral curve into a tapered version (using the Simple Deform modifier) with even thickness. but it’s turning out like this, ie flattened, is there anyway to ...
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0answers
8 views

'NoneType' has no attribute 'bezier_points', when BezierCurve selected

With the following code, I can export a bezier curve to a file, and with the default bezier curve it works, but as once i add points to it and attempt to run the script it gives an Attribute error. ...
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0answers
22 views

Ocean loop + Dynamic paint waves

there is a way to fix this? Blend file
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2answers
70 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: ...
2
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0answers
28 views

How to animate ribbon unfurling?

I have to animate ribbon unfurling an box opening. Like below. Got the box part down, but I'm stuck on the ribbon. What would be the best way of going around it the ribbon. Would it be best done with ...
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0answers
11 views

Curve modifier scales up my object on the z and y axis

I am trying to aplly the curve modifier to an object, but the object, despite following the curve, it scales up on the z and y axis. How do I do it while maintaining the object's scale? Can anyone ...
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1answer
60 views

Creating a smooth spherical surface

I am designing some parts for 3D printing and I have been banging my head for several days already trying to accomplish the following: I have a "frame" that looks like this: I am trying to create a ...
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1answer
114 views

How do I get particles to follow an animated path or armature?

I'm doing this wormhole tutorial https://www.youtube.com/watch?v=K2WTH016rfk and I'm trying to get particles to also follow through the animated tunnel. Emitting from the far end and coming toward the ...
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0answers
15 views

Why the Curve Is Uneven Thickness [duplicate]

I want to specify the thickness of the curve as shown in the following picture: However, the curve I made is shaped like a flat one, not a round one: Q.I am about to make a pedestal of a long plate, ...
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1answer
99 views

Weird faces bezier to mesh

I've created a bezier curve and made it a mesh but there's gotta be some problem because when i try to render it (both with cycles or moving it to Unreal Engine) there are a lot of "problematic" faces,...
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0answers
47 views

Array + Curve modifier deformation in blender 2.81

In blender 2.81 the array + curve technique does not work as expected i've got a hedge with an array modifier and a curve modifier, to make it follow the path i want. It is working just fine in 2.80, ...
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0answers
12 views

Hair creation from curves

Is something like this possible to do in blender? Eg. Creating bunch of curves and filling them with planes with alpha textures on them? If so, how should I do it? https://youtu.be/1zS2dqnH8Yw
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2answers
731 views

How to extract side-view outline (e.g. top view) of a 3D object to 2D surface?

I want to make some 2D version of 3D particles. I used to shrinkWrap the 3D mesh to a plan, and draw NURBS curve manually along the boundary. However it is too time-consuming! Is there any easy way ...
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1answer
44 views

If I convert a BezierCircle to mesh from curve, it just disappears [duplicate]

This is the curve I want to turn into a mesh: This is what the outliner looks like: Someone on this forum told me to select the BezierCircle, go to Object>Convert to>Mesh from curve But if I do ...
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0answers
18 views

Stop Deformation on Bezier Curves [duplicate]

Real curve noob here. I'm building fan blades. I have an extruded cube and a BezierCircle. I just want to place copies of the object around the curve. But when I do wire up the object and curve It ...
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0answers
21 views

What is the right way to change elevation of racetrack after designing it

I have been trying to create my first racetrack for the game I am developing. I have a question and I would like to hear your advice. What I am trying to do is to add elevation of my racetrack mesh. ...
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3answers
45k 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
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2answers
11k views

How to soften/smooth mesh curves?

I created mesh from a curve and I want now soften the curved parts of it like this selection. I subdivided this part and moved vertices manually to get this: But I'm sure there is some better way to ...
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1answer
12 views

Scaling Rather than Moving Objects when Attached to Curve

I'm following this tutorial on YouTube https://www.youtube.com/watch?v=xrFHwoewoPU And it gets to a point where I'm trying to move the tread onto the main object. The problem is every time I try to ...
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0answers
20 views

Curve modifier skews mesh

I can't wrap my head around curves and how they deform meshes with the curve modifier. I've tried using Bezier curves, but that's just nightmarish. I have this blender file where I am trying to very ...
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2answers
57 views

Positioning a collection of objects along a curve

Is it possible to automatically position a collection of objects along a curve? For example, I have 100 cubes (all are different) and want to distribute them evenly along a Bezier Curve. I searched ...
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1answer
35 views

Curve deform - Follow along a path

Whilst searching for a solution I stumbled upon Animate object along path and deform accordingly I am creating a logo for a new software project I am working on, the finished logo will have two ...
0
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1answer
53 views

Using / making text into a procedural shader material in nodes

I know I can wrap text around a curve but is it possible to use / make text into a procedural shader material using nodes? I would like to have the text as a procedural shader material to place it ...
1
vote
1answer
95 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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0answers
39 views

How to animate object hanging from a string?

I'd like to animate this model so it acts like its attached to a car mirror, with proper physics of course (swinging, and rotating enough to see both sides). I'd also like the top of the string to ...
1
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0answers
45 views

Value sliders are too fast

I've been trying the spin tool in new Blender 2.81. I was trying to change the axis value so that I can get my desired result. But the value sliders for changing the position of the faces are ...
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1answer
42 views

slot into curved pipe

I have a curved pipe. This pipe will ultimately be fabricated as a thin-wall stainless steel pipe. The pipe will be approximately 4" in diameter and 6' long. I would like to know how to cut a slot ...
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2answers
114 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 ...
0
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1answer
51 views

how to bevel this?

I extruded this curve out of an svg and converted it to a mesh. I cant find a way to bevel the marked edge. Both the bevel modifier and the "normal" Bevel tool dont show any affect. why? How can I ...
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3answers
81 views

How to import a DXF to blender 2.8 correctly?

I want to build a indoor map in web, and what I have is only a Autocad dwg file . My proposal is as follows : 1 in AutoCAD , I explode all objects ,Save dwg file as dxf file 2 Import dxf file in ...
7
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1answer
136 views

Animate Curve along mesh surface

i am trying to find a way to aproach, animating a curve along a mesh surface, like having a wire creating a mesh. I thought about having a curve snapped along the mesh and then animate the wires. Do ...
0
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1answer
35 views

Cannot make plane follow bezier or path

This is an really basic question, but I have been trying to solve it for for 45 minutes. Here is the blend file with the setup. I've tried this Why doesn't the road follow the curve? but it did ...