自制、改造绘图用具,配之两步绘图法可使一些用曲线板较难清绘的曲线方便而流畅地完成.自制曲线板尺可弥补曲线板的不足,使用更为灵活方便,绘制的曲线效果更佳.改进碳京墨水绘图笔,可弥补其他绘图笔难以在模扳上圆滑流畅地临摹大曲度曲线和椭圆图形的不足.两步绘图法可使一些长曲线和曲度变化多端的曲线,用曲线笔徒手圆滑而流畅地绘成。 Self-made, transformation of drawing equipment, with two-step drawing method can make some curve difficult to clear the curve easy and smooth to complete. Self-made curve ruler can make up for the lack of curve plate, the use of more flexible and easy to draw the curve The effect is better.It can make up for the difficulty of other drawing pen in smooth and smooth copying of large curvature curve and ellipse pattern on the other drawing pen.The two-step drawing method can make some curve with long curve and curvature changeable , With a curve pen hand smooth and smooth painted.