Drawing methods and procedure 画图方法和步骤 1. Shape analysis 进行形体分析 2. Selection of the front view 选择主视图方向 3. Selection of the scale and the size of drafting paper 选比例、定图幅 The drawing procedure 画图基本步骤 Example1.Draw three views of the composite solid. 画综合组合体的三视图。 Example2.Draw three views of the composite solid. 画切割组合体的三视图。 3 Example2. Draw three views of the composite solid. 画切割组合体的三视图。 1. Shape analysis 进行形体分析 2. Selection of the front view 选择主视图方向 3. Selection of the scale and the size of drafting paper 选比例、定图幅 Drawing methods and procedure 画图方法和步骤 Example1. Draw three views of the composite solid. 画综合组合体的三视图。 4. The drawing procedure 画图基本步骤