A mechanism with a multitude of adjustments, combined with cast, upholstered seat and hip support. Took a roomful of manually made foam models and prototypes, people from 150 to 200 cm tall, 40 to 130 kg of weight and dozens dental professionals to get it right.
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Planmeca Lumo dental work stool 2015

Planmeca lumo is the most flexible and adaptable dental stool in the market.

Dentists sit higher than office workers. Thus they need a seat that leans forward without the user sliding off it.

The backrest stabilizes the hip, enabling the user's back to move freely.

Dental assistants work very close to the dentist, in Nordic countries their knee between the dentist's legs. The front of the seat provides space for close work. Assistants change their seat height a lot for different tasks. The same stool is used for many tasks and by users of all sizes. The telescope gas spring gives great variation of height. Seat angle and depth are adjustable.

Ergonomics, styling, mechanical design. Protos tested and scanned, then to CAD.

Red Dot and iF design award 2016.

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Full-time, Moonlighting
Timo Silvonen
Versatile senior industrial designer Helsinki, Finland