20
votes
What are the practical differences between beziers, nurbs and paths?
I make quite extensive use of Bezier Curve objects in Blender, I use them a lot more than I actually use mesh objects.
I work mainly in architecture mostly doing archviz, decoration and interior ...
- 58.6k
14
votes
Accepted
How to make a curve path from scratch given a list of (x, y, z) points?
Maybe something like this?
See also: Create NURBS surface with Python
...
- 406
14
votes
Accepted
How can I switch the direction of a Curve on Blender 2.8?
In edit mode:
select all (A)
right click > Switch Direction
(or right click > D)
There isn't a more direct shortcut, but these are pretty quick! However, if you need to use this option so ...
- 12.8k
13
votes
Accepted
Fill along the front of a path of a bezier curve
Don't needlessly convert your bezier to a mesh unless strictly necessary, it is a destructive process and will ruin your model and the benefits of using curve objects.
For an animated outline and fill ...
- 58.6k
12
votes
Accepted
How do I make a curve in the shape of a simple wave form (sine)?
Animation Node can be used here, a simple sine wave spline can be generated as follows:
Animating an object along the wave can be done by evaluating it at some point as follows:
Where the divide ...
- 22.5k
11
votes
Accepted
10
votes
How do I make a curve in the shape of a simple wave form (sine)?
Here's my take on this...
Open a Text Editor window and paste the following code :
...
- 44.3k
10
votes
9
votes
Adding festoon lights
You can put planes on a path, and have them emit the bulbs.
Create your wire-curve
Create a plane, assign it Array and Curve modifiers to duplicate it down the curve
Create a bulb, or Collection of ...
- 74k
8
votes
Accepted
How to change curve type?
Okay, so there are two main kinds of curves in Blender. Bézier and NURBS. A path is a NURBS curve and you want to convert a bezier curve to it. To do this is really easy:
Click on the bezier curve ...
- 582
8
votes
Accepted
Animating appearing/extending strip with gaps
There are a few methods that you could use to achieve this, some simpler, some more flexible. The one that follows can give you results similar to what's shown in the video.
First create a curve ...
- 58.6k
8
votes
Accepted
What does path_from_id actually do?
It's useful for more complex situations than this. Let's say you have an object with a subsurf modifier, and you pass a reference to that modifier to some function:
...
- 7,129
7
votes
Accepted
Camera - follow path and change rotation
Here's how to do it.
Create 2 curve paths, create a camera and a target object and parent each to one curve (CTRL-P, then Follow Path).
Add a Track To constraint to the Camera with the target object ...
- 9,391
7
votes
Accepted
How can I fix broken linked dupligroups when the source file/directory has changed?
This has been fixed in Blender 2.77
To fix broken dupligroup links when the path to the source file (directory name/s) has changed; (//directoryA/source.blend ...
- 569
7
votes
How do I create a squeeze tube packaging?
In this case I would not go with Curves as they aren't best choice in terms of modeling in Blender. My method is based upon simple plane which gives us very simple base geometry and allows to have ...
- 17.5k
7
votes
Accepted
How do I set up a driver to drive a node value with a node group input?
The best way is to completely avoid drivers inside node groups. They do not update correctly and are only trouble.
You should make your own custom Rotate node with the angle value accessible. You can ...
- 50.8k
7
votes
Stairs along bezier path
Here's an approach which you may be able to vary according to your needs.
I'm assuming you would like the steps to be of equal depth .. so first, scale your curve to 0 in Z.
Ensure the Preview U ...
- 74k
7
votes
How to make a curve path from scratch given a list of (x, y, z) points?
An update for Blender 2.8
bpy.context.scene.objects.link(obj)
is now
bpy.context.scene.collection.objects.link(obj)
and
<...
- 83
7
votes
How do you follow an animated object without using the camera?
Under the n menu "View" tab there is an option for "Lock to Object"
- 3,381
6
votes
Drawing 2D lines
Easy and fast : ( if you have a graphics tablet )
Use the Grease pencil to draw
convert it to a curve
slower method :
Create a dummy object
Switch to Edit mode and delete everything
switch to the ...
- 19.4k
6
votes
Accepted
How do I create a squeeze tube packaging?
I believe a mesh approach instead of a curve approach will be faster. This is my final result:
The Procedure
Delete the default cube by keying X to open the Delete menu and keying Enter.
Shift + A >...
- 8,827
6
votes
Is it possible to export a 3D object made in Illustrator to Blender as a mesh?
Say this is the result of the SVG import, it's still a Curve Object.
because it is still a curve object, you can do almost the same things to it as a Font Object.
Set the type of curve to 2D, you'...
- 39.4k
6
votes
Is it possible to change an object's color depending on its distance?
Animation Nodes can be used here. I shall show two methods for computing the distance between the objects and the camera.
Passing Camera Location To Cycles
The easiest and most efficient method is ...
- 22.5k
6
votes
How to get cameras local x-axis pointing up?
You probably want to use the "Track To" constraint. Then you can configure which axis should point to the object, and which axis should point upward. For a camera this would be typically -Z for the "...
- 7,129
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