A multipurpose piece of furniture (1, 2), wherein the piece of furniture has four substantially square panels (3, 4, 6, 7; 8, 9, 11, 12) which comprise: a first vertical side panel (3, 8) and a second vertical side panel (4, 9) arranged parallel at a distance therefrom, a third panel (6, 11) that is arranged between an edge (5, 10) of the first side panel (3, 8) and an edge of the second side panel (4, 9) that is parallel to it, the third panel (6, 11) being arranged at a right angle to the first side panel (3, 8) and the second side panel (4, 9) and connects the first side panel (3, 8) and the second side panel (4, 9) into a substantially U-shaped piece of furniture, and an intermediate panel (7, 12) that is securely inserted into the substantially U-shaped piece of furniture between the first side panel (3, 8) and the second side panel (4, 9) at a right angle to these and the third panel (6, 11), wherein recesses (36, 33, 34, 35; 42, 43, 44, 45) and/or projections (19, 20, 21, 22; 23, 24, 25, 26) are formed at corner regions (13, 14, 15, 31; 16, 17, 18, 30) of the first side panel (3, 8) and the second side panel (4, 9), and wherein the recesses (36, 33, 34, 35; 42, 43, 44, 45) and/or projections (19, 20, 21, 22; 23, 24, 25, 26) in the corner regions (13, 14, 15, 31; 16, 17, 18, 30) of the side panels (3, 4, 8, 9) are recessed into the edges (5, 27, 28, 29; 38, 39, 40, 10) of the side panels in a substantially elongated rectangular manner or project out of the side panels in a stretched rectangular manner and extending in each case at the corner regions (13, 14, 15, 31; 16, 17, 18, 30) at right angles to one another in their directions of extension, wherein, at the first vertical side panel (3, 8), two edges (27, 28, 29; 38, 39) that run at a right angle to each other are enclosed in each case between two projections (19, 20, 21, 22; 23, 24, 25, 26) and wherein the two other edges (5, 29, 10, 40) that run at a right angle to each other are bordered in each case by two recesses (36, 33, 34, 35; 42, 43, 44, 45). a first vertical side panel (3, 8) and a second vertical side panel (4, 9) arranged parallel at a distance therefrom, a third panel (6, 11) that is arranged between an edge (5, 10) of the first side panel (3, 8) and an edge of the second side panel (4, 9) that is parallel to it, the third panel (6, 11) being arranged at a right angle to the first side panel (3, 8) and the second side panel (4, 9) and connects the first side panel (3, 8) and the second side panel (4, 9) into a substantially U-shaped piece of furniture, and an intermediate panel (7, 12) that is securely inserted into the substantially U-shaped piece of furniture between the first side panel (3, 8) and the second side panel (4, 9) at a right angle to these and the third panel (6, 11), wherein recesses (36, 33, 34, 35; 42, 43, 44, 45) and/or projections (19, 20, 21, 22; 23, 24, 25, 26) are formed at corner regions (13, 14, 15, 31; 16, 17, 18, 30) of the first side panel (3, 8) and the second side panel (4, 9), and wherein the recesses (36, 33, 34, 35; 42, 43, 44, 45) and/or projections (19, 20, 21, 22; 23, 24, 25, 26) in the corner regions (13, 14, 15, 31; 16, 17, 18, 30) of the side panels (3, 4, 8, 9) are recessed into the edges (5, 27, 28, 29; 38, 39, 40, 10) of the side panels in a substantially elongated rectangular manner or project out of the side panels in a stretched rectangular manner and extending in each case at the corner regions (13, 14, 15, 31; 16, 17, 18, 30) at right angles to one another in their directions of extension,