
B.Tri / B.Duo Armchair
B.Duo and B.Tri by Bruno Rainaldi for Opinion Ciatti rethink the armchair as a group of two or three upholstered cylinders of different heights.
Steel frames and polyurethane padding sit on a black steel base, with removable fabric or leather upholstery. The offset forms create an unconventional seat for reading, conversation or a distinctive lounge arrangement.
Every detail, considered.
- Brand
- Opinion Ciatti
- Collection
- B.Tri / B.Duo
- Designer
- Bruno Rainaldi
- Descriptor
- Armchair with cylindrical fabric or leather cushions
- Country
- Italy
- Seat height
- 18.5″ (47 cm)
- Materials
- 01Two or three cylinders
Upholstered forms of different heights create separate two-cylinder and three-cylinder seating arrangements.
- 02Steel-supported polyurethane padding
Internal steel frames hold the padded cylinders above a shared base.
- 03Removable upholstery covers
Fabric or leather coverings detach from the padded forms for separate care.
This armchair arranges two or three upholstered cylinders of different heights on a shared steel base.
Internal steel frames support polyurethane padding beneath removable fabric or leather covers. Bruno Rainaldi designed the two-cylinder B.Duo and three-cylinder B.Tri as separate versions, with left- or right-facing arrangements for the latter. The individual seat can be used for reading, conversation or lounge seating.
Generated by AI from the manufacturer's specifications and product data. Confirm details with your consultant before ordering.

Expressive Italian furniture and objects from Florence, including Ptolomeo bookcases and sculptural pieces that give everyday functions a distinct identity.
Bruno Rainaldi
Bruno Rainaldi began in design communication and retail before founding Studio Rari in the 1980s. His work combined creative direction with furniture design. A long collaboration with the Ciatti family led to the development of CCR and later Opinion Ciatti, alongside projects for other Italian manufacturers.
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Make sure it fits. Then make it yours.
Before you commit to the B.Tri / B.Duo Armchair, our studio checks it against your space and walks you through every finish it comes in.
- Footprint checked against your floor planPlus doorways, stairs and clearances
- Leather, fabric and colour chosen with youand more, in the showroom
- We manage the order for youFrom the factory to your door
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