Individual skill
parametric-modeling
Parametric design methodology, data structures, constraint systems, Grasshopper and Dynamo patterns, parameter space exploration, and associative geometry for AEC computational design
skills/parametric-modeling/SKILL.md
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- parametric Declared skill tag
- grasshopper Declared skill tag
- dynamo Declared skill tag
- data-trees Declared skill tag
- constraints Declared skill tag
- associative-geometry Declared skill tag
- design Derived category
- data Derived category
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# Parametric Modeling for AEC Computational Design
This skill provides a complete reference for parametric design methodology as applied to architecture, engineering, and construction. It covers the intellectual framework, data structures, constraint logic, tool-specific taxonomies for Grasshopper and Dynamo, associative geometry patterns, and professional best practices.
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## 1. Parametric Thinking Methodology
### 1.1 What Makes Design Parametric vs. Static
A static design is a fixed artifact — a single geometric configuration with hard-coded dimensions. Changing one element requires manually adjusting every dependent element. A parametric design is a system of relationships: a directed graph of inputs, transformations, and outputs where modifying any input propagates changes through the entire dependency chain automatically.
The distinction is not merely about sliders. Parametric thinking means encoding **design intent** rather than design outcome. The designer authors a set of rules that describe a family of possible designs, not a single instance.
