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
FLY, BASED ON KNOWLEDGE
The results of the last three meetings, which were attended by hundreds of aviation enthusiasts, showed that the majority of the devices is executed at a high professional level. But...
Heavy-duty soil shovel
More than once I had to dig through waterlogged clay soil on the plot. Soil stuck to the shovel in such amounts that working without cleaning it became simply impossible. Removing the soil...
