For anyone looking for extrusion of a custom Curve Profile, there is another group node I created in this video:    • 3 Extrude Along Path Geometry Nodes i...  
Tubes node is now part of the BB Addon:    • New Add-on for Blender 4.0 - BB Nodes...  
You can download just the Tubes node here: https://blenderbash.gumroad.com/l/xguhh
My other products: https://blenderbash.gumroad.com


This is a node group that creates pipes (tubes) from curves. Sounds like not that big of a deal, but if You watch this showcase video, you'll understand why IT IS A BIG DEAL :)

Blender out of the box creates tubes from curves in a very bad way, deforming the thickness of the pipe (tube) based on the angle between two edges. This node corrects this behavior
...and it also creates wireframes from meshes.