Geometry Nodes - Extrude - how to keep original face?

[zeroskilz]

haha, had a small part to play in that first one:

(Higgsas) Geometry Nodes Groups Blender 3.3/3.4/3.5/3.6

Thanks for your sorcery! Edit: did some cleanup face_inset_geo1.blend (106.5 KB) Hi, attached is a slightly simplified version I butchered from yours to try understand the magic that was happening and it lead to a simplification of this part: [image] Based on this trig: [image] …and scale factor math from here. Thanks for sharing your work and inspiring a greater depth of understanding GN.

… initially developed a different method which used even-curve-sweeps which was even more insane but now use higgsas’ method.