Space age Bofinger BA1171 chair by Helmut Bätzner, 1970sSpace age Bofinger BA1171 chair by Helmut Btzner, 1970s Designer : Helmut Btzner Modell: BA 1171 Dimensions Width: 45 cm Height: 75cm Depth: 45 cm This Bofinger chair design (BA 1171) by Helmut Btzner was manufactured by Bofinger in Germany in the 1970s. They are made of solid coloured, glass fibre reinforced polyester resin, moulded in one piece and easily stackable. All chairs are in good condition.