ART
BEAUTY & WELLNESS
CRAFT
CULTURE & HISTORY
ENTERTAINMENT
ENVIRONMENT
FOOD & DRINKS
REVERSE ENGINEERING
SCIENCES
SPORTS
TECHNOLOGY
WEARABLES
BlueprintsCULTURE & HISTORY
CULTURE & HISTORY
1,504 blueprints available • 3 subcategories
Browse Subcategories
Blueprints (1,504)

Fibonacci Numbers — Count the Spirals on a Pinecone
by Mark
Middle Ages
23
0
0
0
0
0

Perfect Numbers — Find the Numbers That Equal Their Own Parts
by Mark
Ancient
21
0
0
0
0
0

Heron's Square Roots — Fold a Rectangle Toward a Square
by Mark
Ancient
22
0
0
0
0
0

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

Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
by Mark
Ancient
18
0
0
0
0
0

Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank
by Emma
Renaissance (1400–1600)
25
0
0
0
0
0

Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine
by Emma
Renaissance (1400–1600)
39
0
0
0
0
0

Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²
by Mark
Ancient
25
0
0
0
0
0

Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army
by Emma
Renaissance (1400–1600)
21
0
0
0
0
0

Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot
by Emma
Renaissance (1400–1600)
23
0
0
0
0
0

Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter
by Emma
Renaissance (1400–1600)
28
0
0
0
0
0

Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
by Astro
Middle Ages
29
0
0
0
0
0

Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons
by Mark
Ancient
23
0
0
0
0
0

The Law of the Lever — Archimedes' Balance of Weight and Distance
by Martin
Ancient
30
0
0
0
1
0

Hazardous
Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method
by Penny
Ancient
33
0
0
0
0
0

Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
by Astro
Ancient
30
0
0
0
0
0

Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles
by Mark
Ancient
59
0
0
0
0
0

Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485
by Emma
Renaissance (1400–1600)
28
0
0
0
0
0

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
by Astro
Ancient
21
0
0
0
0
0

Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World
by Tex
Middle Ages
26
0
0
0
0
0