Highlights

• Principle the chemical energy in the battery is converted into the function of the motor, the motor drives the upper and lower pulley to rotate, the brush moves in an oval shape through the drive of the connecting rod, and the round wooden plate
• When the two move at the same time, regular patterns can be drawn
• Adjust the installation of the belt to change the rotation speed of the disc, and change the angle between the angle iron and the connecting rod Change the elliptical trajectory of the brush to draw different patterns

Key Attributes

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