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
SANDING PAD
When grinding surfaces usually use bars wrapped around or nailed sandpaper. It is impractical, often have to throw away the pieces with a wide, completely untouched edges. We offer...
DIMENSIONAL…
It is often necessary to pour a certain amount of fluid in a pan or bucket. Not to do it "by eye", rather on the inner surface of dishes used to put a measuring scale, calibrated in...
