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Automated BIM for modular housing

BIM generation service · CAD plugins

Developed an automated service that converts modular house designs from a web configurator into Revit BIM models for construction.

The service applies the manufacturer's component and layout rules to generate editable walls, floors and other building elements. Supporting Revit, Rhino and Grasshopper tools handle catalog preparation, testing and model inspection.

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From house configurations to BIM

Reusable Revit room templates hold the manufacturer's component definitions. The engine resolves building levels, adjoining rooms and component placement, accounting for size changes, rotation and mirroring.

The resulting walls, floors, ceilings, openings, stairs and facade systems are native Revit elements with their types and parameters.

Shared generation engine

The C# library keeps layout and geometry rules separate from the host APIs. Revit and Rhino plugins use this core; Rhino.Inside.Revit connects Grasshopper to the Revit generation workflow for interactive testing and inspection.

Automated processing

The service retrieves jobs, house layouts and catalogs from AWS S3, generates Revit files and GLB models for web viewing, and uploads the results.

The automated service and interactive tools share the same C# generation rules. The Revit layer turns the resulting geometry and component data into native BIM elements.

Scroll horizontally to explore the diagram.

Shared generation architecture

Client's web configurator

  • House configurations
  • Generation requests

Component catalogs

  • Reusable room templates and Revit families
  • Component types, materials and parameters

Automated service

  • Job retrieval and validation
  • Catalog loading and caching
  • AWS S3 outputs and job status

Revit plugin

  • Catalog preparation
  • Family and template setup
  • Model generation

Grasshopper plugin

  • Rhino.Inside.Revit
  • Parametric generation
  • Model inspection

Rhino plugin

  • Rhino geometry
  • Configuration inspection

Native Revit model generation

  • Native BIM elements
  • Revit types and parameters
  • Revit files and GLB export

Shared C# engine

  • Layout validation and room adjacency
  • Levels and component placement
  • Wall, floor and facade geometry
  • Catalog and building rules
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