Siemen Lens is a CG Artist who excels at photorealism. He studies Multimedia in Antwerp. His specialty is to create abstract yet photorealistic renders using Geometry Nodes, Physics, Texturing, and various other techniques in Blender. He also uses other software like After Effects, Illustrator, and Vegas Pro. Siemen has worked as a product render designer in a Furniture company. He has also worked at PartydoosMedia, a Dutch digital graphic design agency. His goal is to create visually convincing CG Art that is pleasing to the eye. With this book, he aims to get you well versed with Geometry Nodes.