StairSmith is a free, open-source 3D stair creator that runs entirely in your browser. Enter your dimensions (going, rising, width, headroom, floor-to-floor height) and the online staircase designer generates a fully resolved 3D staircase preview in real time using Three.js. All geometry computation happens client-side through Pyodide and Shapely, so there is nothing to install and no data leaves your machine. The 3D stair creator generate various 3d staircase designs based on user inputs. Outputs include IFC4X3 for BIM workflows and DXF for 2D drafting, making it straightforward to take a tested design into your CAD or BIM environment. Built by Jake White, a Chartered Architectural Technologist based in West Sussex, this online staircase designer was created to solve a practical problem: quickly testing staircase options during feasibility and technical stages.
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Platforms Supported
Organization Types Supported
API Support
Modes of Support
Design Optimization & Parametric Studies
CAD Integration
High-Performance Computing (HPC)
Visualization & Results Analysis
Mesh Generation & Pre/Post Processing
Multi-Physics Simulation
Structural & Thermal Analysis
Computational Fluid Dynamics (CFD)
Finite Element Analysis (FEA)
Simulation & Engineering Analysis
3D Parametric Modeling
Smart, parameter-driven elements such as walls, doors, windows, and structural components.Drawing Generation
Automatically create 2D plans, sections, and schedules generated directly from the model.Clash Detection
Identify and resolve project conflicts in their initial stagesIFC Support
Facilitate seamless collaboration across diverse tools through IFC/standard format import/export capabilities.Common Data Environment (CDE)
A centralized approach to design, construction, and operations, enabling seamless collaboration across the entire lifecycle.Multidiscipline Support
Manage architectural, structural, MEP, and construction workflows seamlessly within a unified model.3D Floor Plans
To create a three-dimensional virtual model that portrays the property floor plan2D Floor Plans
To create a flat diagram that depicts the layout of a property or space from the top viewSunlight
Allows adding natural sunlight to produce an incredibly realistic 3D rendersTotal Area Calculation
Calculates floor area in square feet, square meters, and various floor dimensions.Measurement Scale
Allows measuring the distances between walls, objects, and dimensions of room and elements360-degree visualizer
Interactive 360-degree panorama view of the floor plan in a high-resolution renderingLighting
Allows adding light to 3D constructed rooms, walls and etc for a realistic renderingImport from Blueprint
To create a 3D floor plans using a blueprint drawing fileFurniture Library
3D model library with furniture, fixtures, flooring, and decorative items.Design Collaboration
Allows multiple users to work on the same design that brings together different ideasAI-Assisted Planner
Automatically creates a 3D plan and builds the property with curated collections of materials3D Walkthrough
Animated virtual tour of a property with accurate designs in various views and anglesGuest Sharing
Invite to access the file, image, or job work via a secured link without the need to login to panel3D Rendering
Produces hyper-realistic scenes using advanced lighting algorithms & automatically transform 3D wire frame models into 2D images on a computerFree Trial
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92% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
92% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
91% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
91% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
91% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
89% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
88% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
88% SW Score The SW Score ranks the products within a particular category on a variety of parameters, to provide a definite ranking system. Read more
Stairsmith in action
What is Stairsmith used for?
Stairsmith is Computer-Aided Engineering (CAE) Software. Stairsmith offers the following functionalities:
Learn more about Stairsmith features.
What are the top alternatives for Stairsmith?
Here`s a list of the best alternatives for Stairsmith:
Does Stairsmith provide API?
No, Stairsmith does not provide API.
Vendor Details
Founded : 2026Social Media Handles
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