Bonsai
Beautiful, detailed, and data-rich OpenBIM. Bonsai is a family of open source apps for authoring, reviewing, and sharing IFC models, with no lock-in and no proprietary formats, ever.
Three apps, one OpenBIM platform
Same open IFC core. Pick the experience that fits how you work.
Bonsai Studio
The full native IFC authoring environment built on Blender. Model, document, and manage BIM data across every discipline.
Explore Studio →
Bonsai Viewer
A fast, lightweight desktop viewer for exploring and coordinating IFC models, drawings, and data, with no authoring environment required.
Explore Viewer →
Bonsai Web
View and share IFC models straight from the browser. Send a link and let anyone explore your BIM data, with nothing to install.
Explore Web →Models shown: Aalseth Residence and The Current (CTR) by OpeningDesign and project team, CC BY-SA 4.0
Built on open foundations
Free forever
Bonsai is free software and always will be, sustained by a community of hundreds of contributors.
Native IFC
Every edit reads and writes real IFC. Your data lives in an open standard, not a proprietary file.
No lock-in
Powered by IfcOpenShell and fully scriptable in Python. Automate anything, own everything.
