10 votes
Accepted

Why is there a red line when I try to connect one node to another?

A diamond shape does not fit into a round, and a round shape does not fit into a diamond shape. But why is that? Short answer: Because one data type is a single value, and the other is "Fields&...
7 votes
Accepted

Step pyramid scale equally?

Scaling requires an origin point to compute the steps. The closer the vertex is to the origin the smaller the step will be, that's the whole point of scaling. Thus becoming uneven in this case. Here ...
  • 86
6 votes
Accepted

Size of the instances depends on their position

You can add a Position node and get the Z value with a Separate XYZ node, then use a Map Range to fit the output values to input range and plug it into Scale on the Instance on Points node. By the way,...
4 votes
Accepted

Understanding (euler) rotation in animation with script

Let's try to deal with it once and for all... First, let's rotate two objects: the left cube, by using a rotation operator; using a gizmo as on the animation, or RY90 will give the same result, the ...
3 votes
Accepted

Geometry nodes - Scale using specific Vertices

if you have a circular array of elements, you could scale them by the distance to the center point like this: and if you don't want to scale it on z you can use this:
  • 41k
3 votes
Accepted

clearing parents and keep transform in python for thousands of objects

...
3 votes
Accepted

Spinner with precession

give your spinner a z-rotation -> linear extrapolation: move the cursor to the bottom of your object, add an empty select your spinner, shift select the empty ->keep transform without inverse ...
  • 41k
2 votes
Accepted

Replacing duplicate meshes with instances

You don't show a specific example, but in general the problem comes down to: Iterating over all objects of a specific type, maybe you can just select the objects you want to modify, and iterate over <...
2 votes

how to constraint the moving sine wave to the rotating circle?

Your question is....very short - so my answer will be the same. Create a plane, add Geometry nodes modifier with this node setup: Create 4 materials: red, green, blue, gray Create a torus and three ...
  • 41k
2 votes
Accepted

How do I align these two mirror-image objects?

Please following these steps: Delete half the model In Edit mode, from front/side view, select a vertice at the center of the model (where you want to merge the two halfs together). Press Shift+S &...
  • 553
1 vote
Accepted

Rigging a double hinge

For those types of mechanisms I would suggest doing it with a simple rig. The end cylinders are driven by the most open hinge where rotation controls the position of both. And the position of the ...
1 vote

Satellite rotation

A satellite object can be clamped to an bezier circle. The orientation of the satellite could just follow an empty object (damped track, select an empty), which can be animated (Location set key with &...
  • 310
1 vote
Accepted

Append from a blender file with different unit scale

There is nothing wrong with just selecting all scene objects and simply scaling them to correct dimensions in the newly set scene unit scale. That's basically what is needed to be done in this case. ...
1 vote
Accepted

How to calculate bounds of all selected objects BUT follow the Active Object's Rotation at the same time?

Create a smallest box outside the selected objects and rotation follow the active object ...
  • 3,238
1 vote

Why is object axis broken in Geometry Nodes?

You can visualize the direction of the axes about which each point will rotate by adding a few nodes to your group: The points will rotate about axes in these (object-space) directions, but passing ...
  • 60.2k
1 vote

Step pyramid scale equally?

...just because it's fun: Here is the solution for Geometry Nodes: (Blender 3.1+)
1 vote
Accepted

Make quadrilateral curves the exact size of the faces they are on in geometry nodes

You have two options here: Variant 1 If you have instantiated the quadrilateral curves at the faces, you only need to transfer the positions of the Face Corners of the original mesh to the points of ...

Only top scored, non community-wiki answers of a minimum length are eligible