A shoe boxflatpack can be made at any workbench in the workshop of a player-owned house. Like when making the normal Shoe box, this requires 21 Construction, uses 2 plank, 2 nails, and gives 58 experience. The flatpack can then be used on a wardrobe hotspot in a Bedroom, either in building mode or not. This requires no Construction level and gives no experience.
The cost of making and selling a shoe box flatpack from scratch gives a profit of: −1,687. This assumes the nails did not break, and steel nails (highest nail available at sawmill) were used.