Overview of Parametric Modeling

  • Intro
  • Grasshopper
  • Dynamo
  • Fusion 360

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Last updated November 11, 2024
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Overview of Parametric Modeling

Parametric modeling is a design approach that allows architects and engineers to create adaptable, data-driven models by defining relationships between design elements through parameters and rules.

By using parametric modeling, designers can explore a wide range of form variations, optimize structures for performance, and respond to environmental conditions in real-time, making it a powerful tool for tackling complex architectural and engineering challenges. This method enables iterative design, where changes to one aspect of the model automatically update the entire system, streamlining the process and supporting innovative, efficient solutions. 

 

There are several softwares that can be used for parametric modeling. Here is an overview of some widely used software:

  • Grasshopper for Rhino: This visual programming tool, a plugin for Rhino 3D, is one of the most popular for parametric design. It’s especially valued for its flexibility and its vast library of plugins, such as Ladybug and Kangaroo, which allow for environmental analysis, physics-based simulations, and structural optimization.
  • Dynamo for Autodesk Revit: Autodesk’s visual scripting tool, Dynamo, integrates directly with Revit, making it a great choice for architects and engineers working on building information modeling (BIM) projects. Dynamo allows users to create parametric and rule-based designs, optimizing structures, generating facades, and automating workflows in a BIM environment. Its ease of use and Revit integration make it ideal for architects aiming to bring parametric workflows into a construction documentation context.
  • Autodesk Fusion 360: Known for its powerful engineering and manufacturing capabilities, Fusion 360 includes parametric and generative design tools that are useful for exploring various design solutions. While it is more commonly used in industrial and product design, Fusion 360’s parametric tools can be leveraged in architectural contexts, particularly for small-scale elements, fixtures, or custom components within larger projects. It is also a great tool for modeling projects to 3D print.
  • Blender: Known for its flexibility and open-source platform, Blender has been adopted by some architects for parametric modeling through add-ons like Sverchok, a node-based tool for procedural generation. While Blender is typically associated with animation and visual effects, its parametric capabilities are expanding, making it a versatile tool for creative architectural applications.

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Grasshopper

Grasshopper is a visual programming language and plugin for Rhino that enables designers to build complex parametric models through an intuitive, node-based interface. By connecting components in Grasshopper, users can quickly create adaptive, data-driven designs and automate repetitive tasks without writing code. Ideal for architects, engineers, and artists, Grasshopper is widely used to explore intricate geometries, optimize design workflows, and integrate computational logic into the design process.

General Grasshopper Tutorials

Basic Actions

These tutorials cover some basic actions you can use in Grasshopper.

Building Geometry

These tutorials teach you how to combine different methods to model complete building components.

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Dynamo

Dynamo for Revit is a visual programming tool that enhances the functionality of Autodesk Revit by allowing users to automate tasks, create parametric designs, and manage complex data workflows without extensive coding knowledge. Embedded within the Revit environment, Dynamo provides a node-based interface where users connect “nodes” to define relationships, automate repetitive tasks, and develop customized building elements. This approach allows users to use parametric modeling not just for design but also for construction documents. Dynamo’s ability to quickly adapt and automate elements—such as facade patterns, structural systems, and environmental simulations—makes it an essential tool for improving efficiency, accuracy, and innovation within the Architecture, Engineering, and Construction industry.

To learn Dynamo, we recommend following the Dynamo Primer:

About | Dynamo

and Autodesk’s video tutorials:

Introduction to Dynamo (2.0 to 2.12) – YouTube

 

As you’re working in Dynamo it can be helpful to reference the Dynamo Dictionary:

Dynamo Dictionary

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Fusion 360

Fusion 360 is a cloud-based 3D design and engineering software developed by Autodesk. It offers a comprehensive platform for product development. It integrates CAD, CAM, and CAE tools into a single interface, enabling users to design, simulate, and fabricate parts and assemblies with ease. Fusion 360’s parametric modeling capabilities allow for precise control over geometry, making it ideal for creating both simple and complex designs. It is often applied to product design and can also be useful to create models for 3D printing.

Fusion 360 is a complex software with many capabilities. You can find all tutorials on Autodesk’s website at:

Self-paced learning for Fusion | Autodesk

 

Fusion Fundamentals and 3D Modeling will give you and overview of the software. Then, check the other modules to see if they are applicable for what you wish to do. Some relevant modules may include:

  • For CNC Milling: Manufacturing – Milling, Turning and Inspection
  • For 3D Printing: Manufacutring – Additive