100% Free & Open Source — No Paywalls, No Signup

Design Your Dream
Space in 3D

Draw floor plans in 2D, visualize in 3D, and furnish with 140+ models. Import Apple RoomPlan LiDAR scans or GLB/glTF 3D meshes. Export to PNG, SVG, DXF, PDF, and more. Completely free, forever.

See it in action

2D Floor Plan
OpenPlan3D 2D floor plan view showing room layout with furniture placement and imperial dimensions
3D View
OpenPlan3D 3D rendered view of a furnished floor plan with realistic textures and lighting
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100% Free

No premium tier. No paywalls. No hidden costs. Free forever.

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Open Source

Fully open source on GitHub. Inspect, modify, contribute.

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RoomPlan Import

Scan rooms with iPhone/iPad LiDAR. Import directly into the editor.

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3D Mesh Import

Import GLB/glTF 3D models. Bring your own furniture and objects.

Everything you need to plan your space

Professional-grade tools, completely free and open source. From quick sketches to detailed floor plans.

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2D Floor Plan Drawing

Draw walls, rooms, doors, and windows with precise measurements. Snap-to-grid and orthogonal drawing modes.

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3D Visualization

Instantly switch to a 3D view of your floor plan. Walk through your design with orbit controls.

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140+ Furniture Models

Browse and place furniture from a curated library. Resize, rotate, and position items precisely.

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Apple RoomPlan Import

Scan rooms with iPhone or iPad LiDAR and import directly. Turn your real room into an editable floor plan.

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GLB/glTF 3D Mesh Import

Import your own 3D models in GLB or glTF format. Add custom furniture, fixtures, and objects.

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Imperial & Metric Units

Work in feet/inches or meters/centimeters. Switch anytime — measurements update automatically.

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Export Anywhere

Export to PNG, SVG, DXF, PDF, or JSON. Share your plans or continue editing in CAD software.

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Free & Open Source

No premium tier, no paywalls, no signup. View the source code on GitHub and contribute.

Ready to design your space?

Start creating beautiful floor plans in minutes. Free, open source, no signup needed.