For a folding darkroom there is a place even in a small apartment. Once assembled, it is a bedside table dimensions mm. 535X420X760 In a way gives you more usable space, enough to accommodate all necessary equipment.
Tototomoto made of available materials: pine slats, beams, birch plywood; also used non-deficient, piano hinges, furniture fittings, furniture same locks (mechanical or magnetic), the screws and bolts with wing nuts. Veneer — plates or veneer.
Manufacturer of tables you can start with the Assembly of the legs (from bars 40X40X750 mm) with a horizontal tightening elements.
In General the whole design is going on glue (carpentry or casein), and so that the horizontal and vertical elements were flush. After drying during the day and Stripping by top and bottom horizontal beams on the bottom is plywood. Are formed two holes: the upper one for storing negatives, bottom of photo paper.
The back of the Cabinet is sheathed with plywood sheet size 495X700 mm.
For the top — pull-out — box would require two guides (reference) profiled strips, preferably of hard wood: they hit the inside of the legs to a depth of 10 mm, and so that the support protrusions of the rods was 50 mm below the top of the ceiling; set on the glue. The box itself is assembled from slats on the studs, the bottom is MDF or plywood.