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3D Model a Fully Parametric Wave Roof: Sydney Fish Market by 3XN - Part 2

Parametric Modeling

Turn a flat grid into a fabrication-ready 3D wave roof in Grasshopper. Add beam thickness, project onto curved surfaces, and automate manufacturing layouts.

Arie-Willem de Jongh

Arie-Willem de Jongh

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Sydney Fish Market Wave Roof (Part 2) - ThinkParametric

Why take this course

In the first part of this exercise, we built a complex flat structural grid. Now, we take that geometry to the next level by turning it into a fully realized 3D wave roof. This course uses the stunning Sydney Fish Market project to teach you advanced parametric workflows. You will learn how to turn basic linework into real structural members with accurate thickness.

Coordinating a massive curved roof by hand is a total nightmare. This course shows you how to automate the hardest parts of architectural modeling. You will standardize every beam, resolve complex intersections, and prepare exact construction data. By the end, you will have a robust model that updates instantly and outputs precise manufacturing layouts.

What you will learn and why it matters

You will learn how to transform flat lines into a rationalized 3D structure ready for fabrication. We will cover advanced techniques for sorting data, projecting curved geometry, and generating automated text tags. This matters because it bridges the gap between a visual concept and a highly functional set of construction drawings.

Adding Beam Thickness

You will use the Clipper plugin to offset lines and create closed profile shapes. We will cover Boolean operations to automatically subtract overlapping segments at structural intersections. This process is highly valuable. It saves you from manually trimming hundreds of intersecting lines and prevents messy overlaps.

Accurate 3D Projection

Projecting grid points directly onto a double curved surface creates tiny visual gaps between elements. You will learn a step by step hierarchy to project main, secondary, and tertiary nodes precisely. This technique is absolutely essential. It ensures every single structural connection aligns flawlessly without any floating geometry.

Flat Layouts for Manufacturing

We will extract every 3D beam and orient it perfectly flat onto a standard coordinate plane. You will organize these flattened parts into a clean grid layout. This skill is critical for digital fabrication. It turns a complex 3D shape into physical components that a manufacturer can actually cut and build.

Smart Automated Tagging

You will extract node data to generate dynamic text tags for every individual beam in your model. We will label each member with its exact start and end connection points. This creates incredibly clear construction documents. It prevents massive confusion during assembly and keeps your data beautifully organized.

  • 1.- Organizing the 2D Structural Grid

    20min 41seg
  • 2.- Applying 2D Thickness with Clipper

    13min 56seg
  • 3.- Trimming Lines for Structural Nodes

    18min 37seg
  • 4.- Refining Edge & Corner Conditions

    11min 00seg
  • 5.- Projecting Structural Lines to the 3D Surface

    20min 45seg
  • 6.- Accuracy-Driven 3D Projection Logic

    12min 55seg
  • 7.- Giving Thickness to the 3D Lines

    17min 27seg
  • 8.- 3D Member Thickness & Fabrication Layout

    20min 00seg
  • 9.- Parametric Tagging & Annotation Dots

    17min 07seg
  • 10.- Node Organization & Numbering

    20min 07seg
  • 11.- Generating Construction Data Sets

    20min 39seg
  • 12.- Column Modeling & Rhino Baking Workflow

    20min 13seg
  • 13.- Conclusion

    01min 01seg