Creating Perfect Holes with Quad Topology in Curved Surfaces 0 By Jan van den Hemel on December 8, 2023 Videotutorials Jan van den Hemel writes:This technique is great for when you want a perfectly circular hole in a warped or curved surface.https://youtu.be/b3mbiXNVPWQVideo can't be loaded because JavaScript is disabled: Perfect Holes with Quad Topology in Curved Surfaces | Blender Secrets (https://youtu.be/b3mbiXNVPWQ)