曲尺又称角尺、拐尺或弯尺,是木工常用的重要工具之一。用它来可以画线、卡刨光木料的方正和量方等。过去遇到支模斜撑、木屋架等有坡度的工件时,往往采用放大样或实地摹画方法去解决,施工很费劲。如能使用曲尺画线,既快又准。要使用曲尺,首先要掌握用曲尺找坡度的方法。 The ruler, also known as the square rule, the turn ruler or the ruler, is one of the important tools commonly used by carpenters. Use it to draw lines, card squares and squares of wood. In the past, when workpieces with grades such as diagonal braces and wooden roof trusses were encountered, they were often solved by using a magnifying method or a field painting method. The construction was laborious. If you can use a ruler to draw lines, it is fast and accurate. To use a ruler, you must first learn how to use the ruler to find the slope.