A large model railway scale on a 45 mm track gauge, suitable indoors and in the garden. The scale varies by prototype and maker; for LGB it is about 1:22.5.
With LGB the smallest curve R1 has a radius of 600 mm (11000, 30°) and the standard track spacing is 160.8 mm.
LGB G gauge (metre gauge): articles, geometry and the track planner