To spend simply a circle on a plane costs nothing with the help of a compass. But what if this line should cover a cylindrical billet? For a rough layout, you can use string or a rubber ring. The marking will be more accurate if the workpiece perpendicular to lower the fluid: boundary wetting will become the desired line. Another option is to wear to the cylinder tube of suitable diameter or wrap it with a strip of paper, foil.
Recommend to read
FOR WELDING, START-UP AND CHARGING
For more than ten years, using a homemade device proved during welding, cutting metal sheets with thickness from 0.6 to 12 mm, the power at the time of starting the engine of a motor...
ON PRIMAKO — PHOTOS
When printing photos on matte paper to dry the prints in a variety of ways. Here is one of them. In the wooden rail with a cross section of 20x10 mm (length is determined by the place)...
