Fold, fly, and save your best planes.
A bilingual (EN/中文) paper airplane library + a mini portfolio for your builds.
Library
Pick a model and follow step-by-step instructions.
My Builds
Save photos, ratings, and notes for each plane you fold.
Hall of Fame
See your favorites and best-rated builds.
Local-only progress
No login. Your builds and photos are stored only in this browser. Use Parent → Backup to export a JSON file.