Felix Ure "Piston" Mechanical Puzzle - BrassNo tools. No tricks. No forceonly your hands, your patience, and your ability to decipher a uniquely engineered challenge. Machined from solid brass, the Piston stands four inch tall with a two inch diameter, weighing an impressive two pounds. Its surface is left intentionally unfinished, allowing the metal to slowly patina and darken over time, creating a piece that becomes more personal with every interaction. Inside awaits a seven stage, sequential

It is more than a cutting tool — it is a showcase of American precision machining and thoughtful design

Mechanism: Central thumbwheel focus

angular rhythm that plays subtly with light and shadow

part kinetic sculpture—Atom is a quiet

color-accurate beam

allowing the metal to slowly patina and darken over time

showcasing natural grain and warmth unique to each piece

it is a compelling piece for collectors of antique photography

Each step reveals another layer of precision engineering

Also available as the MX-2 desktop version with two keys

32” inspection label

Dimensions: ~3 long