Stair Generator: Grasshopper Script for Code-Aware Stairs
Grasshopper Script
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Stair Generator is a Grasshopper tool that rapidly generates clean, customizable, code-aware stair geometry from a single input curve. Draw one line, set your parameters, and the script builds the full stair, from the bottom riser to the final top walking surface, aligned to architectural floor-to-floor logic.
What's inside
- Stair Generator Grasshopper definition: the complete parametric tool, ready to drop into your Grasshopper workflow
- Single-curve input logic: the tool treats your input line as a controlled stair trajectory, not a vague centerline, resolving cleanly from the first riser to the upper tread or landing
- Customizable stair parameters: adjust riser, tread and run settings for predictable, code-aware results
- On-screen readout of total stair height, number of landings, target and actual riser height and tread depth, as shown in the preview image
Specs
- Type: Grasshopper definition (parametric tool)
- Input: single curve
- Output: code-aware stair geometry
- Delivery: instant download
Compatible with
Rhinoceros 3D and Grasshopper
Perfect for
- Fast design studies where stair logic needs to stay adjustable
- Schematic stair layouts in early design phases
- Massing models and presentation geometry for client and jury work
- Early coordination where floor-to-floor stair alignment matters
- Students and professionals who want predictable parametric stairs without rebuilding the logic for every project
How to use
- Download the file from your account dashboard after purchase.
- Open Rhino and launch Grasshopper.
- Open the Stair Generator definition in the Grasshopper canvas.
- Draw a single input curve in Rhino as your stair trajectory and reference it into the definition.
- Adjust the riser, tread and run parameters until the stair resolves cleanly against your floor-to-floor condition.
License
Single-user commercial license: use the tool in unlimited personal, academic and commercial projects (design studies, schematic layouts, presentations, coordination models). Redistribution, resale or sharing the original definition file is prohibited.
Browse more in our Rhinoceros collection.
How do I get my files?
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License and commercial use
You can use every file you buy here in your own work: student projects, competition boards, portfolios, presentations and paid client projects. No credit required.
What is not allowed: reselling or redistributing the files themselves, sharing them outside your own team, or putting them into another product that is offered for sale.
One purchase covers one person. For a studio or a classroom licence, get in touch.
14-day money-back guarantee
If a file is not what you expected, write to us within 14 calendar days of your purchase and you get your money back in full, no questions asked. Digital files are covered exactly like anything else in the store.
Details are in our refund policy.
Customer Reviews
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Jessica
May 24, 2025
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May 24, 2025
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As an architect working under tight deadlines, finding reliable digital content is a game-changer. This shop has become one of my go-to places for support and inspiration.
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high-quality architectural resources
I’ve been searching for high-quality architectural resources for a while, and this shop truly exceeded my expectations. Everything feels thoughtfully curated and designed with professionals in mind.
All In One Architecture Diagram/Drawing Essential Bundle
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Olivia
May 24, 2025
★★★★★
Impressive work
Impressive work! The files were easy to access, and everything felt intuitive even from the first use. You can tell this was created by people who truly understand the industry.
40 SANAA Animated People + Adding Animations Tutorial
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Daniel
May 24, 2025
★★★★★
This shop has become one of my go-to places for support and inspiration.
As an architect working under tight deadlines, finding reliable digital content is a game-changer. This shop has become one of my go-to places for support and inspiration.
Morpholio Trace: Private (1 on 1) Sketching Session for 2D Landscape Plan Renderings
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Thomas
May 24, 2025
★★★★★
improved the way I approach my work
This has honestly improved the way I approach my work. The attention to detail and usability is evident. Highly recommend to anyone in the field of architecture or design.
Architecture Photoshop Pack
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Sofia
May 24, 2025
★★★★★
Professional, well-organized
Professional, well-organized, and visually clean — everything about this store makes the creative process easier and more enjoyable.
AI-Presentation Plan Photoshop Action
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Jessica
May 24, 2025
★★★★★
high-quality architectural resources
I’ve been searching for high-quality architectural resources for a while, and this shop truly exceeded my expectations. Everything feels thoughtfully curated and designed with professionals in mind.
All In One Architecture Diagram/Drawing Essential Bundle
-
Olivia
May 24, 2025
★★★★★
Impressive work
Impressive work! The files were easy to access, and everything felt intuitive even from the first use. You can tell this was created by people who truly understand the industry.
40 SANAA Animated People + Adding Animations Tutorial
-
Daniel
May 24, 2025
★★★★★
This shop has become one of my go-to places for support and inspiration.
As an architect working under tight deadlines, finding reliable digital content is a game-changer. This shop has become one of my go-to places for support and inspiration.
Morpholio Trace: Private (1 on 1) Sketching Session for 2D Landscape Plan Renderings
-
Thomas
May 24, 2025
★★★★★
improved the way I approach my work
This has honestly improved the way I approach my work. The attention to detail and usability is evident. Highly recommend to anyone in the field of architecture or design.
Architecture Photoshop Pack
-
Sofia
May 24, 2025
★★★★★
Professional, well-organized
Professional, well-organized, and visually clean — everything about this store makes the creative process easier and more enjoyable.
AI-Presentation Plan Photoshop Action
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