Origami Simulator
Origami Simulator models how an origami crease pattern folds into a shape.
About Origami Simulator
Origami Simulator models how an origami crease pattern folds into a shape. It folds every crease simultaneously by iteratively solving for small displacements in an initially flat sheet due to forces from the creases, rather than folding in sequential steps.
Users can load example patterns or upload SVG or FOLD v1.0 patterns, control fold percent, adjust simulation settings, visualize strain, and export the folded result as FOLD, STL, or OBJ. Invalid design files can throw errors or fail to solve, and FOLD imports require specific populated fields.
Key features
- Simulate simultaneous folding of crease patterns from flat sheet
- Adjust fold percent from -100% to 100% including reverse assignments
- Upload custom SVG and FOLD v1.0 crease patterns
- Export folded results as FOLD, STL, or OBJ files
- Visualize internal strain during folding
- Adjust simulation settings like stiffness, damping, integration method
- Runs simulation in parallel GPU fragment shaders
- Imports curved crease patterns with pre-processing for bending between creases
- Provides strain visualization and adjustable stiffness, damping, and integration settings
- Invalid design files can throw errors or produce models that explode or cannot be solved
- FOLD imports require v1.0 files with vertices_coords, edges_vertices, edges_assignment, and faces_vertices populated
- Virtual reality mode is noted as possibly deprecated
Origami Simulator at a glance
- Website
- origamisimulator.org
- Category
- Lifestyle & Hobbies › Fun & Interesting Sites
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Origami Simulator FAQ
How does the simulation fold a pattern?
What do I need to import a FOLD file?
How do I control how far a pattern folds?
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