Select, tilt and blur attribute

[zeroskilz]

Hello. Check out this node-group:

"Z-Up Curve Tilt" NodeGroup for Blender 3.0 (Geometry Nodes)

Update: GN Curve Z-Up and OffSet v2.blend (124.5 KB) Now with custom alignment vector (*thanks @sozap for help)

Old file

<a class="attachment" href="/uploads/short-url/o4MnDsfYfl20Yy18ulolM36txkk.blend">GN Curve Z-Up and OffSet.blend</a> (131.6 KB)

For Curve Objects you have the Z-Up “Twist Method”, but currently (in version 3.0) when using curve-to-mesh or attempting a off-set curve, there is nothing similar inside Geometry Nodes for generated curves (or curve…

You can use the alignment-vector input to get the profile to follow the surface normals. The node-group sets the tilt of the curve based on the normal inputs. Press tab to open the node-group to see how it was done.

For this network:

Without the node-group:

With the node-group:

Good luck.