The eventual separation of each plywood element removed the need for the overlapping, but the contours of the 670 can be discerned in this earlier model.
Eames Plywood Chair

Appoggio chair
Designed for standing with some of the weight off one's legs in spaces too restricted for sitting, the Appoggio is anatomically shaped to correspond to...

Armchair by Aalto
This armchair, and others like it, stem from Aaltos Armchair 41, designed in 1930.

Armchair 12 by Kjaerholm
This chair is made up of two bent steel tubes forming legs, arms and back, fixed to a flat-section steel seat frame. This is filled with a flat seat pad...

Armchair 19 by Magistretti
Although ostensibly a 'folksy' traditional chair, on close examination this turns out to be one of the few truly modern designs in plain wood constructi...
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Modern Design Museums and Auctions
American Craft Museum AmericanCraftMuseum.org

Ant Chair by Arne Jacobsen
Jacobsen’s 1952 Ant Chair uses a narrow-waisted plywood shell and slender steel legs, joining industrial molding with practical canteen seating.

Sunset by Paul Klee
Paul Klee's Sunset layers colored dots and geometric forms around a red sun and a small schematic face.

Le Corbusier Nantes Reze Pilotis
L'Unite d'habitation, Nantes Reze Pilotis - designed by Le Corbusier.