Trio grey sofa by Form AG for COR Germany


The timeless, cleverly simple Trio seating system with exposed double seam detailing as designed in 1972.

Designed / launched by whom/when: Swiss Design innovators Karl Odermatt and Franz Hero founded Form AG in 1964. Based in an old mill on a hillside outside Zurich today they are involved with presenting Swiss Design to the world via the Swiss Design Assoc. The Trio Collection has been in continual exclusive production (since 1974) at the family run furniture manufacturer COR, established by Helmut Lubke in Rheda-Wiedenbruck, Germany. All the components of Trio are made in Europe.

Inspiration: “Good design is demonstrated by the quality of the complete solution”

Fabrication: Sustainably grown inner timber w foam surround, Removable, dry cleanable and re orderable zip off covers in light Grey linen look upholstery weight fabric code: 5019

Hidden Features: Converts to twin beds or KS bed by lifting off the backrests that simply sit on the seat sections, their weight holding them in place.

Design Consigned Stylist: European style and quality L form sofa that can be separated to seat 4. The square low profile form and resting backrests could have been designed today.

DC Collector: 1970s Swiss contemporary Design collectible

Authenticity: Wear visible COR seam tags Verification: One owner since 2018. Dated invoice provided. Minimal use.

DC Insider: COR is the Latin word for heart.


Each : L200cm D100 H65cm SH35cm




Unforgettable spaces &
inspired design

delivered monthly

  • Subscribe to receive new stock previews & inspiration

Shipping World wide

Online orders shipped
wherever you are located

Price Matching

We’ll do our best to match the rest.

Expert Advice

Only the best service from
our design pros.