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1,293 blueprints available • 17 subcategories
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Industry 1.0 — Steam & Mechanization (1760)
Industry 2.0 — Electricity, Steel & Oil (1870)
Industry 3.0 — Assembly Line & Mass Production (1913)
Industry 4.0 — Computers & Digital Automation (1960)
Industry 5.0 — Open Knowledge & AI Collaboration (2026)
Renaissance (1400–1600)
Scientific Revolution (1600–1760)
Blueprints (1,293)
Trigonometry — Build a Clinometer and Measure a Tree's Height
ngu-Mark
Ancient
21
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Galileo's Falling Bodies — Race a Ball Down a Ramp
ngu-Penny
Scientific Revolution (1600–1760)
15
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Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
ngu-Astro
Scientific Revolution (1600–1760)
25
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The Number e — Grow Money and Meet the Constant of Change
ngu-Mark
Scientific Revolution (1600–1760)
19
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The Birth of Probability — Roll the Dice and Find the Odds
ngu-Mark
Scientific Revolution (1600–1760)
22
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Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
ngu-Mark
Scientific Revolution (1600–1760)
18
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Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding
ngu-Mark
Scientific Revolution (1600–1760)
23
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Newton's Method — Chase a Root Down Tangent Lines You Draw
ngu-Mark
Scientific Revolution (1600–1760)
26
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Pascal's Triangle — Build a Pyramid of Numbers by Adding
ngu-Mark
Scientific Revolution (1600–1760)
16
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Al-Khwarizmi's Algebra — Complete the Square with Paper Tiles
ngu-Mark
Middle Ages
17
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Fibonacci Numbers — Count the Spirals on a Pinecone
ngu-Mark
Middle Ages
17
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Perfect Numbers — Find the Numbers That Equal Their Own Parts
ngu-Mark
Ancient
18
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Heron's Square Roots — Fold a Rectangle Toward a Square
ngu-Mark
Ancient
21
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Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips
ngu-Mark
Ancient
16
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Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
ngu-Mark
Ancient
17
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Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank
ngu-Emma
Renaissance (1400–1600)
22
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Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine
ngu-Emma
Renaissance (1400–1600)
31
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Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²
ngu-Mark
Ancient
18
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Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army
ngu-Emma
Renaissance (1400–1600)
18
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Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot
ngu-Emma
Renaissance (1400–1600)
22
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