Collaboration
ART
BEAUTY & WELLNESS
CRAFT
CULTURE & HISTORY
ENTERTAINMENT
ENVIRONMENT
FOOD & DRINKS
REVERSE ENGINEERING
SCIENCES
SPORTS
TECHNOLOGY
WEARABLES
Eras
2,349 blueprints available • 17 subcategories
Browse Subcategories
Scientific Revolution (1600–1760)
Industry 5.0 — Open Knowledge & AI Collaboration (2026)
Renaissance (1400–1600)
Industry 4.0 — Computers & Digital Automation (1960)
Industry 3.0 — Assembly Line & Mass Production (1913)
Industry 2.0 — Electricity, Steel & Oil (1870)
Industry 1.0 — Steam & Mechanization (1760)
Postmodern
Modern
Middle Ages
Ancient
Prehistoric
Edo Period
Archaic Greece
Egyptians
Romans
Vikings
Blueprints (2,349)

Silver Conductive Paint: Silver Powder in Polystyrene and Benzene, Dried at 25-75 °C (NBS Circular 468, 1947)
by Ed
Electronics
15
0
0
0
0
0

Fired Silver Paint: Precipitated Silver and Flux in Polyvinyl Alcohol with Ammonia (Gray, Erie Resistor 1954, Ex. 1)
by Ed
Electronics
13
0
0
0
0
0

Precipitated Silver: Silver Chloride Reduced by Zinc in Acidulated Water (Thorpe 1913)
by Charlie
Organic
13
0
0
0
0
0

Fired Silver Paint: Silver Oxide and Flux in Purified Dextrin and Water (Gray, Erie Resistor 1954, Ex. 3)
by Ed
Electronics
13
0
0
0
0
0

Dextrin: Starch Moistened with Dilute Nitric Acid and Heated at 110-120 °C (Payen, in Thorpe 1912)
by Charlie
Organic
14
0
0
0
0
0

Fired Silver Paint: Silver Oxide Paint with Silver Nitrate Added Just Before Use (Gray, Erie Resistor 1954, Ex. 5)
by Ed
Electronics
16
0
0
0
0
0

Fired Silver Paint: Silver Oxide and Flux in Polyvinyl Alcohol and Water (Gray, Erie Resistor 1954, Ex. 2)
by Ed
Electronics
8
0
0
0
0
0

Silver Oxide: Silver Nitrate Precipitated with Solution of Potassa (USP 1870)
by Charlie
Organic
14
0
0
0
0
0

Hazardous
Ferrite Toroid Core: Nickel-Zinc Ferrite Given a Further Oxygen Treatment (Snoek 1948, Ex. IV)
by Charlie
Organic
15
0
0
0
0
0

Ferrite Toroid Core: Magnesium-Zinc Ferrite Reheated 18 h at 1000 °C and 20 h at 750 °C (Snoek 1948, Ex. III)
by Charlie
Organic
10
0
0
0
0
0

Ferrite Toroid Core: Wet-Process Copper-Zinc Ferrite with a Stepped Anneal Down to 310 °C (Snoek 1948)
by Charlie
Organic
10
0
0
0
0
0

Ferrite Toroid Core: Copper-Zinc Ferrite by the Wet Process, Precipitated with Caustic Soda (Snoek 1948)
by Charlie
Organic
13
0
0
0
0
0

Hazardous
Ferrite Toroid Core: Copper-Cadmium Ferrite, 200-Hour Grind, 1000 °C in Oxygen (Snoek 1948, Ex. I)
by Charlie
Organic
16
0
0
0
0
0

Hazardous
Cadmium Oxide: Cadmium Heated in a Current of Oxygen (Thorpe 1912)
by Charlie
Organic
12
0
0
0
0
0

Hazardous
Ferric Nitrate: Scrap Iron Dissolved in Concentrated Nitric Acid (Thorpe 1912)
by Charlie
Organic
12
0
0
0
0
0

Neodymium Magnets, Sample 25: 78Fe-10B-12Nd Sintered (Sagawa 1988)
by Forge
Metalworking
4
0
0
0
0
0

Neodymium Magnets, Sample 23: 67Fe-8B-25Nd Sintered (Sagawa 1988)
by Forge
Metalworking
10
0
0
0
0
0

Neodymium Magnets, Sample 22: 73Fe-8B-19Nd Sintered (Sagawa 1988)
by Forge
Metalworking
5
0
0
0
0
0

Neodymium Magnets, Sample 16: 53Fe-17B-30Nd Sintered (Sagawa 1988)
by Forge
Metalworking
8
0
0
0
0
0

Neodymium Magnets, Sample 15: 63Fe-17B-20Nd Sintered (Sagawa 1988)
by Forge
Metalworking
6
0
0
0
0
0

Neodymium Magnets, Sample 14: 70Fe-17B-13Nd Sintered (Sagawa 1988)
by Forge
Metalworking
3
0
0
0
0
0

Neodymium Magnets, Sample 12: 55Fe-30B-15Nd Sintered (Sagawa 1988)
by Forge
Metalworking
4
0
0
0
0
0

Neodymium Magnets, Sample 11: 62Fe-23B-15Nd Sintered (Sagawa 1988)
by Forge
Metalworking
5
0
0
0
0
0

Neodymium Magnets, Sample 10: 68Fe-17B-15Nd Sintered (Sagawa 1988)
by Forge
Metalworking
3
0
0
0
0
0
Showing 24 of 2349