Procedural Building Generator for Houdini

Create detailed urban building exteriors with a flexible procedural Houdini asset.
Start with six editable presets and customize building proportions, storeys, rounded corners, facade details and exterior equipment. 
Explore repeatable variations using independent silhouette, facade, detail and material seeds.

Shape the architecture
Control building width, depth, storeys, corner radius and upper-floor setbacks. 
Develop the facade with windows, balconies, awnings, storefronts and architectural bands, then add service pipes, HVAC, signage, rooftop equipment and street props.

Six editable starting points
- Dense Urban Corner
- Aged Streamline
- Neon Heritage Arcade
- Service Infrastructure
- Vertical Habitation
- Workshop Garage

Key features
- Independent seeds for silhouette, facade, mechanical/prop details and materials.
- Adjustable density controls for exterior dressing.
- Draft, Preview and Hero construction detail levels.
- Solaris/Karma MaterialX lookdev with day, night, clay and silhouette presentation options.
- Full building, envelope proxy and floor-guide outputs in Houdini mode.
- Geometry caching and readable Python sources.
- Built-in geometry and default procedural shading without external texture or model dependencies.

Included files
- Standalone `.hda` generator: `astra::urban_complexity::1.1`.
- Main demonstration `.hip` scene with Solaris/Karma setup.
- Seven individual `.hip` examples: six presets.
- English documentation and help for 63 controls.

Support
Contact the seller through ArtStation messages. 
For technical issues, include your software versions, preset, seed values and a small reproducible example using the included support template.