■Three kinds of system tools.
■1■Hexagram seet
■2■Arc guide
■3■T-slider

1.Prepare for tracing paper first on the hexagram seet.

2.Set an arc guide in accordance with an object to draw.

3.Make a T-slider slide into the arc guide, and draw a radial line.

All objects are drawn in the order of the plane + elevation = solid.

It is the method of Hexagraphics.