noun, noun or participle which takes 'suru', transitive verb
reduced scale; scale ratio; map or drawing scale
Most commonly a noun for the ratio by which a map, plan, diagram, or model is smaller than the real thing, as in 縮尺5万分の1.
この地図の縮尺は5万分の1です。
The scale of this map is one to fifty thousand.
図面の右下に縮尺が書
The scale is written in the lower right corner of the drawing.
noun, noun or participle which takes 'suru', transitive verb
scale down; draw at a reduced scale
As 縮尺する, it means to reduce something to a smaller scale. In ordinary contexts 縮小する is often broader, while 縮尺する is especially tied to plans, drawings, maps, diagrams, or models.
実物を100分の1に縮尺して図面に描いた。
I drew the object on the plan scaled down to one hundredth of its actual size.