抄録
Recently the class hours for the descriptive geometry and drawings have been reduced. On the other hand there is a marked decline in the ability and active interest of the student for the space recognition.
Under this state, it is necessary to improve the educational method.
The authors investigated an improved method which utilizes illustrations. This method produced a fair good results in practice.
In this paper an example of the application of this method and the effects in the education are reported.
