Modeling Iron Man's Helmet to 3D Print

Aaron's 3D mouse - 3Dconnexion SpaceMouse Enterprise (https://www.3dconnexion.com/products/spacemouse/spacemouse-enterprise.html) Extensions used: Weld – https://extensions.sketchup.com/en/content/weld Curviloft – https://extensions.sketchup.com/en/content/curviloft Joint Push Pull – https://extensions.sketchup.com/en/content/jointpushpull VisuHole – https://sketchucation.com/pluginstore?pln=VisuHole Vertex Tools – https://extensions.sketchup.com/en/content/vertex-tools adebeo_pushline – https://extensions.sketchup.com/en/content/adebeo_pushline Solid Inspector – https://extensions.sketchup.com/en/content/solid-inspector%C2%B2