Work on the foot and the lift of the Projection drawing table

Work on the Projection Drawing Table, to center the lift and to find an alternative for the existing foot.
The lift worked well with the glider out of a strip tin plus a set of rolers at the bottom. Next was he construction of the shelve that has to carry the projector. The outcome is a box that turns inside the middle space of the lift. This box is stiff, can hinge upwards between the gliders of the lift and when folded, can store some stuff that the user wants to keep with the drawing table when not used.
Rollers to center the lift between the legs of the table proved superfluous, when this function was carried out by two strips of sheet metal attached to the inside lowerpart of the legs.
The foldable footframe has been replaced by two simple stands, holding the legs apart. This does not impair the stability.