To permit sheet metal, need metal shears and a line with the Scriber for drawing cut lines. And if you can see the curved workpiece? Use the bolt or stud of suitable length, as shown in the figure, the nut will trace the edge, and the end of the stud resting in a scissors — to control the direction of the cut.
Recommend to read
AIR BATTLE IN SILENCE
The new rules of competition in the class of models of "air combat" prohibit the use of glow engines without mufflers. Offers its readers the most successful I have developed silencers...
MINIATURE CIRCUIT
In the "M-K" appear frequently describe designs that use integrated circuits. The production of these modern elements are so expanded that their widespread introduction in household...