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
FROM SMALL TO LARGE
What should be the thickness of the soldering tip screwdriver? Thick more firmly, and slim is suitable for use with small screws and bolts. Combine the advantages of both by replacing...
HANGER FOR HACKSAW
The poor host saw just lying on the workbench or on a shelf, good — carefully placed in a tool box or hanging on a nail in the wall. However, if the next added another tool — such...
