This is a laser cut and engraved MDF kit of a platelayers hut, These lineside. huts provided a base and shelter for platelayers/fettlers/trackmen to work from. They were very often situated every mile or two along the track.
These kits are made from 1mm MDF & Laserboard, if you have the patience they are supplied with the outer timbers but are also etched.
4mm - Footprint 36.7mm x 52.5mm
*note the pictures are of the 7mm version