マシーネンクリーガー マシーネン・クリーガー Ma.K. Ma.K SF3D S.F.3.D_ORIGINAL
マシーネンクリーガー (Maschinen Krieger ZbV 3000), also known as Ma.K, is a series of mecha models and kits created by Yokoyama Kou (Kow Yokoyama) in the mid-80s. The series was originally called "S.F.3.D" and restarted as Maschinen Krieger in the 1990s.
They follow a loose storyline about a Germanic government fighting independent English-speaking colonists. The mechanical design is heavily influenced by World War 1 and 2 armor.