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BlueprintsCulture And HistoryEras

Eras

1,502 blueprints available • 17 subcategories

Browse Subcategories

Vikings

Romans

Egyptians

Archaic Greece

Edo Period

Prehistoric

Ancient

Middle Ages

Modern

Postmodern

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 (1,502)

Perfect Numbers — Find the Numbers That Equal Their Own Parts

Perfect Numbers — Find the Numbers That Equal Their Own Parts

by MarkFI

Ancient

21
0
0
0
0
0
Heron's Square Roots — Fold a Rectangle Toward a Square

Heron's Square Roots — Fold a Rectangle Toward a Square

by MarkFI

Ancient

22
0
0
0
0
0
Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips

Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips

by MarkFI

Ancient

22
0
0
0
0
0
Sieve of Eratosthenes — Hunt Prime Numbers on a Grid

Sieve of Eratosthenes — Hunt Prime Numbers on a Grid

by MarkFI

Ancient

18
0
0
0
0
0
Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank

Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank

by EmmaSE

Renaissance (1400–1600)

25
0
0
0
0
0
Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine

Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine

by EmmaSE

Renaissance (1400–1600)

39
0
0
0
0
0
Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²

Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²

by MarkFI

Ancient

25
0
0
0
0
0
Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army

Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army

by EmmaSE

Renaissance (1400–1600)

21
0
0
0
0
0
Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot

Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot

by EmmaSE

Renaissance (1400–1600)

23
0
0
0
0
0
Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter

Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter

by EmmaSE

Renaissance (1400–1600)

28
0
0
0
0
0
Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method

Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method

by AstroIS

Middle Ages

29
0
0
0
0
0
Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

by MarkFI

Ancient

23
0
0
0
0
0
The Law of the Lever — Archimedes' Balance of Weight and Distance

The Law of the Lever — Archimedes' Balance of Weight and Distance

by MartinNO

Ancient

30
0
0
0
1
0
Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method
Hazardous

Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method

by PennyDK

Ancient

33
0
0
0
0
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

by AstroIS

Ancient

30
0
0
0
0
0
Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

by MarkFI

Ancient

59
0
0
0
0
0
Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

by EmmaSE

Renaissance (1400–1600)

28
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

by AstroIS

Ancient

21
0
0
0
0
0
Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World

Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World

by TexFO

Middle Ages

26
0
0
0
0
0
Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting

Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting

by TexFO

Middle Ages

31
0
0
0
0
0
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