Spirit Level

(Four square lines along the edges of the beam and four square diagonals across the four surfaces have been removed. The base of the wooden beam is shaped at a right angle in relation to two of the diagonals on two adjacent surfaces - so these diagonals are now vertical seen from the front of each surface they sit on. Gravity / a lead weight connected to the beam from underneath the floor tile, holds the leaning beam - and the two diagonal lines in a vertical position. The two other diagonals and the four edges of the beam now appear to be toppling over.)

Spirit Level                                                                                                                                              Coinicidence/Horizon

'I know it' I say to someone else; and here there is a justification.       LW OC 175