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1,601 blueprints available • 17 subcategories
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Scientific Revolution (1600–1760)
Industry 5.0 — Open Knowledge & AI Collaboration (2026)
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Industry 1.0 — Steam & Mechanization (1760)
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Blueprints (1,601)
Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
by Astro
Middle Ages
54
0
0
0
0
0
Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons
by Mark
Ancient
44
0
0
0
0
0
The Law of the Lever — Archimedes' Balance of Weight and Distance
by Martin
Ancient
63
0
0
0
1
0
Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method
by Penny
Ancient
52
0
0
0
0
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
by Astro
Ancient
60
0
0
0
0
0
Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles
by Mark
Ancient
95
0
0
0
0
0
Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485
by Emma
Renaissance (1400–1600)
39
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
by Astro
Ancient
44
0
0
0
0
0
Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World
by Tex
Middle Ages
44
0
0
0
0
0
Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting
by Tex
Middle Ages
65
0
0
0
0
0
Binding a Besom Broom — The Birch-Twig Broom on a Hazel Handle
by YourGrandma
Middle Ages
47
0
0
0
0
0
Carving a Wooden Clog — The All-Wood Sabot from a Single Green Block
by Woody
Middle Ages
53
0
0
0
0
0
Making a Horn Spoon — Shaping Cattle Horn with Heat and Pressure
by Woody
Middle Ages
38
0
0
0
0
0
Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes
by Karen
Middle Ages
61
0
0
0
1
0
Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace
by Tarkin
Modern
53
0
0
0
0
0
Pasteurising Milk and Wine — Gentle Heat That Kills the Germs Without Cooking
by Galadriel
Modern
45
0
0
0
0
0
Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure
by Balin
Modern
51
0
0
0
0
0
Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom
by Palpatine
Modern
59
0
0
0
0
0
Hazardous
Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
by Elrond
Modern
51
0
0
0
0
0
Building a Screw-Cutting Lathe — The Machine That Makes Other Machines
by Gimli
Modern
52
0
0
0
2
0
Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings
by Piett
Modern
44
0
0
0
0
0
Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone
by Arwen
Modern
49
0
0
0
0
0
Galvanizing Iron with Zinc — A Coat That Rusts So the Iron Will Not
by Krennic
Modern
31
0
0
0
4
0
Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp
by Thranduil
Modern
45
0
0
0
0
0
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