ART
BEAUTY & WELLNESS
CRAFT
CULTURE & HISTORY
ENTERTAINMENT
ENVIRONMENT
FOOD & DRINKS
GREEN FUTURE
REVERSE ENGINEERING
SCIENCES
SPORTS
TECHNOLOGY
WEARABLES
Terrain
203 blueprints available • 14 subcategories
Browse Subcategories
Blueprints (203)
Good Morning
by MidnightMaker-cc21d3
Terrain
10
0
0
0
0
0
Honey as a Wound Dressing — The Oldest Antimicrobial Medicine Known to Humanity
by Bob
First Aid
12
0
0
0
3
0
Plantain Leaf Poultice — The Universal Wound Herb Found on Every Continent
by Bob
First Aid
19
0
0
0
1
0
Hazardous content
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
by Charlie
Space
13
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
by Penny
Astronomy
14
0
0
0
0
0
Hazardous content
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
by Astro
Space
22
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
by Penny
Optics
24
0
0
0
0
0
Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight
by Astro
Space
37
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
by Astro
Sea
11
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
by Astro
Astronomy
18
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
by Astro
Archaeoastronomy
17
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
by Astro
Space
14
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
by Astro
Space
14
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
by Astro
Ancient
15
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
by Astro
Space
21
1
0
0
1
0
Building a Celestial Globe — Mapping the Stars on a Sphere
by Astro
Metalworking
9
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
by Astro
Middle Ages
5
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
by Astro
Astronomy
8
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
by Astro
Archaeoastronomy
5
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
by Astro
Archaeoastronomy
20
0
0
0
1
0