In this tutorial, we discuss surface domain, isocurves, parameters, and orientation. We touch upon basic tools and strategies for surface subdivisions and address possible topology issues. Enjoy! This video is an introductory tutorial for beginners in Grasshopper. More on the Surface UV directions and the Normal: ► ► LEARNING SLIDES: ► TUTORIAL QUESTION: How to extract parts from surface subdomains? CHAPTERS: 00:00 Intro 00:25 Parametric surface explanation | Surface Details 01:20 Preview and insert surface isocurves 02:03 Evaluate Surface 03:07 Surface domain | Reparameterize surface 04:05 Surface UV parameters | UV coordinates 04:56 Surface subdivision | Surface Isocurves 05:33 Surface isocurve direction | Swap UV 06:33 Points on Surface | Divide Surface | Surface Frames 07:25 Offset Surface | Surface normal direction | Surface Flip 08:34 Divide Surface | Flip Matrix 09:40 Divide Surface Domain | Isotrim 10:48 Construct Surface Domain | Surface subdomain 12:31 Trimmed surface subdivision | Trim Solid 14:04 Closed Surface | Seam position 14:50 Surface topology | Uneven surface domain division 16:35 Other tools 17:00 Closing COMPONENTS: Evaluate Surface component Multidimensional Slider Deconstruct Domain Surface Dimensions Surface Isocurves component IsoCurve component Divide Surface component Surface Frames Offset Surface Flip Surface Polyline Flip Matrix Construct two-dimensional Domain Divide two-dimensional Domain Trim Solid Graph Mapper LINKS NURBS Surfaces Concepts: ► Add-ons: ► Forum: ► Grasshopper component library: ► CONTACT US AT: ► Narrated by: Lina Vestarte _ ✅ Click LIKE, if you find the tutorial useful. ✅ Have a question or suggestion? Leave a comment below! ✅ Never miss a new tutorial - SUBSCRIBE :)