Abstract: A chair comprises a substantially truncated cone-shaped support part and a substantially truncated cone-shaped seat part. The support part has a first support part end and a second support part end, wherein the first support part end is intended to be placed on a ground, and has a larger diameter than the second support part end. The seat part has a first seat part end and a second seat part end, wherein the first seat part end has a larger diameter than the second seat part end, and the second seat part end comprises a seat. The second support part end is connected to the first seat part end. The support part and the seat part have a common axis of rotational symmetry. A table comprises a table top and a support for the table top. The table top is circular with a predefined radius, and is provided with a recess having the aforementioned radius.