绘制生物图尤其是绘制动物图,有许多应当绘成对称的形式,因为它们的体形就是对称的图。对称的体型,画起来是比较难一些的,因为在画完这一半以后,再画那一半,就不容易画得那么对称。那么这种图应该怎样绘制呢?下面就是一个简单的方法: 一.应准备的物品。除应备的绘图用具而外,只需预备一块长方形的或方形的玻璃就行了。玻璃一端如嵌在一块木板的一端,使成三角形,则更便于绘图时放置牢稳,透像清楚。 Drawing bio charts, especially animal drawings, there are many that should be drawn in a symmetrical form because their shapes are symmetrical. Symmetry of the body, it is more difficult to draw, because after painting this half, then draw the half, it is not easy to draw so symmetrical. So how to draw this kind of picture? The following is a simple method: First, the article should be prepared. In addition to the drawing tools should be prepared, simply prepare a rectangular or square glass on the line. One side of the glass, such as embedded in a piece of wood, into a triangle, it is more easy to place a solid drawing, transparent clear.