THE EXPRESS COMPASS

QUICK COMPASSWhat if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
 

Recommend to read

  • TRANSISTOR – LIKE A TUBETRANSISTOR – LIKE A TUBE
    ULF bass reflex on one first transistor. Numerous calculations and experiments to create powerful high-quality low-frequency amplifier has led me to believe that the most promising way...
  • RC ROCKET PLANERC ROCKET PLANE
    We introduced readers interested in a new flying class, with the design of the world Cup winner F. Barnes. Judging by editorial mail, the model has attracted the attention of athletes....