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❤ Spirograph Geometric Ruler

Description:

The following methods are used:

First, hold the ruler with your left hand and put it on the paper surface.

2. Choose any external gear, put it into the inner gear plate to engage, can not be detached from and jump teeth; right hand holding ball pen insertion to make the pen perpendicular to the paper, turning in a certain direction, you can draw a beautiful curve pattern. Note: the internal and external teeth must always rely solely on them.

Replace one more gear as needed. Two or more gears are drawn on the original drawing, or move in one direction, down parallel. Thousands of different patterns can be drawn.

Three, several methods of drawing:

1 single hole drawing: that is, using different methods of drawing a hole to achieve different results.

(1) draw to the end: after drawing to the end, repeat (terminal point connection).

(2) Tooth shifting method: that is, to draw a certain number of laps to stop the pen, according to the pattern needs to displace a tooth or number of teeth to continue painting.

2 porous combination drawing:

(1) The combination of holes and holes on the same external gear: first, two or more holes on one external gear are used to draw successively.

(2) The combination of holes and holes of different external gears: after drawing a certain figure with one hole or two holes on one external gear, another gear or more gears are replaced according to the need, and the original drawings are redrawn successively to form a more complicated pattern. Caution: do not let the internal gear move when changing gears.

Specifications：

Material: Plastic

Size: 20.5cm*10cm

Color: Random color

Specifications:

100% brand new and high quality

Package Included: