Live 3D model
Pick a shape and adjust the numbers — height, step size, width, landings, turn direction, spiral radius. The 3D model rebuilds instantly in timber, concrete, steel or on a single floating spine.
Staircase design · made for Australian homes
Design a staircase that's
right the first time.
Set the height, depth and width. Your staircase builds in 3D, checks itself against the Australian safety rules as you go, and exports as a clean, measured drawing — all in your browser.
- 4
- stair shapes
- 14+
- live safety checks
- A3
- ready-to-print drawings
Drag to orbit · live model
step height 175 mm comfortable
pitch 33°
steps 12 per flight
headroom 2040 mm clear
One model. Three jobs done at once.
Most stair workflows split the shape, the safety check and the drawing across three different tools. Stair Studio keeps all three on one model, so they never fall out of sync.
Safe as you draw
Step height, step depth, slope, headroom, handrail height and gap spacing are all checked against the Australian rules while you design. Anything unsafe flags the moment it happens.
Drawings ready to share
Plan, front and side views on one A3 sheet — fully measured, steps numbered, drawn to scale with a title block. Export as crisp SVG or print-ready PNG.
From a number to a drawing in three moves
The model you spin at the top of this page is the real thing. Here's how it flows.
-
01
Set your numbers
Start from a ready-made template or a blank flight, then dial in height, step size, width and material. Switch between straight, L-shape, U-shape and spiral — the shape re-solves on the spot.
height 175depth 265width 1080 L-shape -
02
Watch it check itself
Every change re-runs the safety panel. Green means you're good; amber and red point straight to the number that's off and why — no spreadsheet, no guessing.
step 175 depth 265 depth 232 min 240 -
03
Export the drawing
When everything's green, export the A3 sheet — plan and both side views, fully measured and to scale with a title block — as vector SVG or print-ready PNG, ready to drop into your set.
SVGPNG A3 · 1:25
What it means for your desk
Same model, read three ways.
Building designers
Sort the stair early, while the plan's still moving. Try a tighter step or a different turn in seconds, and keep a clean 3D you can show a client without opening CAD.
Architects
Take a stair from concept to a finished detail without losing the shape. Materials, railing styles and landings flow straight through to a measured sheet that fits your set.
Engineers & certifiers
Every check shows the rule it's testing — step geometry, slope, headroom, gap spacing and handrail heights. The review notes print onto the sheet, so the safety story travels with the drawing.
Everything the model carries
The detail that makes a stair real — shape, structure and the rules it has to meet.
Stair types
- Straight single flight
- L-shape quarter-turn
- U-shape half-turn dog-leg
- Spiral radius & column
Structure & material
- Timber cut stringers
- Concrete waist slab
- Steel plate stringers
- Mono-stringer floating treads
Railings
- Cable rails
- Spindles classic
- Glass stepped panels
- Posts only
Safe ranges
| Step height | 115–190 mm |
|---|---|
| Step depth | 240–355 mm |
| Comfort range | 550–700 mm |
| Headroom | ≥ 2000 mm |
| Handrail | 865 / 1000 mm |
| Gaps | under 125 mm |
Built to Australian standards. Honest about its limits.
Checks follow the Australian rules for home staircases. Stair Studio is a design aid that speeds up the obvious calls — it doesn't replace sign-off by a qualified engineer or building surveyor for your project. Every drawing, free or paid, carries a clear “design aid only” line. See our disclaimer for the full detail.
Design for free. Pay once to issue.
Designing and safety-checking are free, forever. Pro unlocks clean exports.
Free
$0
Design as much as you like.
- Live 3D modelling, all four shapes
- Full safety-check panel
- Templates & saved designs
- Watermarked preview image
Pro
$39AUD · once
Everything in Free, plus clean exports.
- Vector SVG drawing export
- Print-resolution PNG
- Full scaled title block
- One-click export of all three views
Sold via Lemon Squeezy · GST handled
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