GSoC 2020: Editing grease pencil strokes using curves - Weekly reports - Summer of Code - Blender Developer Talk
Curve Tool — Blender Manual
How to convert a line drawn with a grease pencil into a 3D model. | STYLY
Basics of curve based modeling in Blender - BlenderNation
2.81 — blender.org
Blender 3.2 has been released, bringing the Light Groups feature, upgrades to Geometry Nodes and Grease Pencil, a new Curve Pen tool, and more. : r/80lv
Convert to Geometry — Blender Manual
Brushes — Blender Manual
Daily Blender Tip 120 - NEW Curve Tool in Grease Pencil Blender 2.8 - YouTube