Free tier + paid · 1001bit
1001bit Pro
A broad architectural toolset — parametric stairs, escalators, walls, doors, windows, and auto-generated roof rafters — grouped into one toolbar, with a reduced free edition available.
Verified facts
Taken from the developer’s own published material. Anything they do not state is marked as such instead of estimated.
- Developer
- 1001bit
- Pricing
- Free tier + paid
- Platforms
- Not stated by the developer
- SketchUp versions
- Not stated by the developer
Last checked . Pricing and compatibility change; confirm on the official page before you buy.
Sources checked
Useful for
- • Parametric stairs and railings from a few dimensions
- • Roof rafter and truss layout
- • Quick openings placed into existing walls
Limitations to know first
- • The developer site does not state supported SketchUp versions or operating systems
- • The free edition carries a smaller tool set than Pro
- • Output is static geometry, not a re-editable assembly
What SketchUp does natively
Build one tread and riser, make it a component, then array it with Move + Copy and a division count.
Guides that use it
Each one documents the native method first, so you can decide whether this extension is worth adding for your case.
- Cut door and window openings How do I cut a window or door opening through a SketchUp wall? Read the guide
- Build a hip or gable roof How do I model a pitched roof in SketchUp? Read the guide
- Model stairs that actually fit How do I model a staircase in SketchUp with correct riser and tread dimensions? Read the guide
Other extensions in this area
- Profile Builder 4 — Paid, mind.sight.studios
We are not affiliated with 1001bit unless stated above, and this page is not a paid placement. Facts checked 28 August 2026. Report a correction.
