Skalstock – Scale ruler

Skalstock – Scale ruler. A scale ruler, also known as an architect’s scale is a specialized ruler designed to facilitate the drafting and measuring of architectural drawings, such as floor plans. It has a triangular shape and can thereby incorporate six different scales. The distribution of the scales may vary between rulers, but a ruler that uses the metric system usually includes scales of 1:100, 1:200, 1:400 and 1:500, which are the most commonly used.

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