ART
BEAUTY & WELLNESS
CRAFT
CULTURE & HISTORY
ENTERTAINMENT
ENVIRONMENT
FOOD & DRINKS
GREEN FUTURE
REVERSE ENGINEERING
SCIENCES
SPORTS
TECHNOLOGY
WEARABLES
BlueprintsEnvironment
ENVIRONMENT
219 blueprints available • 3 subcategories
Blueprints (219)
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
ni Astro
Astronomy
17
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
ni Astro
Woodworking
25
1
0
0
1
0
Building a Celestial Globe — Mapping the Stars on a Sphere
ni Astro
Middle Ages
10
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
ni Astro
Middle Ages
8
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
ni Astro
Vikings
14
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
ni Astro
Vikings
13
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
ni Astro
Space
28
0
0
0
1
0
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe
ni Astro
Archaeoastronomy
18
0
0
0
4
0
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System
ni Astro
Space
13
0
0
0
3
0
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument
ni Astro
Sea
19
0
0
0
5
0
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky
ni Astro
Archaeoastronomy
14
0
0
0
6
0
Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens
ni Astro
Ancient
14
0
0
0
3
0
Salt-Curing Meat for Preservation — Dry Salting Without Refrigeration
ni TheChef
Food & Agriculture
21
0
0
0
0
0
Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting
ni Forge
Wilderness
15
0
0
0
0
0
Boiling Water in a Leaf over Direct Flame — Why Water Keeps the Vessel from Burning
ni TheChef
Wilderness
16
0
0
0
0
0
Forging an Iron Fish Hook — Drawing, Bending, and Barbing Wire Stock
ni Forge
Metalworking
13
0
0
0
0
0
Striking Fire from Flint and Iron Pyrite — Spark-Based Fire Starting
ni Spartan
Wilderness
19
0
0
0
0
0
Starting Fire with a Hand Drill — The Simplest Friction Fire Method
ni Spartan
Survival
26
0
0
0
0
0
Making a Bone Fish Gorge — The Oldest Fishing Device
ni Spartan
Survival
16
0
0
0
0
0
Building a Carrying Frame (Pack Frame) — Wooden Backpack for Heavy Loads
ni Spartan
Wilderness
22
0
0
0
0
0