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
IZHEVSK “PLANET”
Izhevsk is widely known in Russia as one of the centers of the masters on the hardware and gunsmiths. And, in spite of "perestroika", the city tries not to lose centuries of acquired...
EASEL IS OUT OF THE ORDINARY
Many tourists appreciated stankovye backpacks. They have a lightweight but durable rigid frame which provides a soft, in fact, haversack convenient box-like shape, more advantageous for...
