TT scale is a model railroading scale at 1:120 scale with a Track gauge of 12 mm between the rails. It is placed between HO scale (1:87) and N scale (1:160). Its original purpose, as the name suggests, was to make a train set small enough to assemble and operate on a tabletop.
TT scale model railroad
Zeuke model trains became popular, and the models were produced in large quantities.
Model trains from Berliner-TT-Bahnen range in TT scale.
Model trains from Kuehn and Piko in TT scale.
Railway modelling or model railroading is a hobby in which rail transport systems are modelled at a reduced scale.
One of the smallest (Z scale, 1:220) placed on the buffer bar of one of the larger (live steam, 1:8) model locomotives
HO scale (1:87) model of a North American center cab switcher shown with a pencil for size
Z scale (1:220) scene of a 2-6-0 steam locomotive being turned. A scratch-built Russell snow plow is parked on a stub (Val Ease Central Railroad).
A simple H0 (1:87) scale model railroad, consisting of three interconnected modules, each 70 x 100 cm in size. It has two concentric ovals of track and a few switches to sidetracks. It makes no pretension of being a copy of "real life". Using low-cost landscaping parts, house kits and rolling stock, it was built for a total of only a few hundred dollars.