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World 3 · Paper Plane Designer · 13 min · PRO

Design, test, improve

The engineering cycle

PRO · Flight School

World 3: Paper Plane Designer is part of PRO

The first world of Flight School is free. PRO opens the other 23 lessons in 6 worlds — simulations, quizzes and all.

  • Folds and shapes
  • The balance point
  • Tweaks that trim the flight
  • Thrust from throwing air back
  • Squeeze, burn, expand
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

Unlock Flight SchoolTry the free world
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← Tweaks that trim the flightThrust from throwing air back →

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