This model is a Ladder x2 just waiting for someone to get there head cut off.. Which is for the 25/28mm scale.
It is made from hard plastic and come in a unpainted / unassembled format.
Sizes (Ladder model placed flat)
Base Size: 45mm by 15mm
Height (at highest point): 5mm
Number of Parts in kit: 2 (Complete Ladders)
Original .stl files of this model can be purchased from fatdragongames.com