Osamu Kobayashi Album

Bicycle with Invisible Chain

Brass, free-cutting steel (12L14), stainless steel, carbon steel, ABS

Engine

0.00003-litre micro-vacuum engine, 100,000 times smaller than a 3-litre engine. Ran for only several seconds, but the challenge continues. Free-cutting steel (12L14), stainless steel, carbon steel, brass, synthetic rubies, etc.

Golden Egg

Egg: brass, carbon steel. Stand: free-cutting steel, purple heart wood, carbon steel, brass

Hairy Silver Egg

Aircraft-grade aluminum and human hair; manually-shaped object with individual hairs implanted into root cavities 200 microns (.2mm) diameter by 850 microns (.85mm).

Peace Bomb

Brass, high-carbon steel, free-cutting steel, etc. The core high-carbon steel ball is supported by three micro-clamps exerting equal pressure.

Steel Pendant

emerald cabochon, stainless steel, free-cutting steel, carbon steel, blued steel screws, 32mm (1.25") diameter, silky smooth rotation of center ball

Silver Egg

Egg: free-cutting steel, stainless steel, carbon steel. Stand: high-carbon steel, free-cutting steel, purple heart wood.

Tower

Brass, synthetic ruby ball, high-carbon steel, aircraft-grade aluminum, stainless steel, free-cutting steel

Hairy Watch

Seiko watch with stainless steel band and human hair; individual hairs implanted into root cavities 200 microns (.2mm) diameter by 850 microns (.85mm) depth on watch crystal, case, and band.

See-through Table & Chair

Brass, aircraft-grade aluminum, high-carbon steel, acrylic, lexan

Drumcutter

Brass, synthetic ruby ball, high-carbon steel, aircraft-grade aluminum, stainless steel, free-cutting steel. Case: canary wood, glass, brass

Hopper

Brass, synthetic ruby ball, high-carbon steel, aircraft-grade aluminum, stainless steel, free-cutting steel