I used aluminum sheet coil but you could use paper or any flat material.
How to build a cone out of sheet metal.
Cut out the cone template from your sheet metal using tin snips and file the edges smooth of any burrs of rough sections with your file.
Drill a few holes through the overlapping rectangular shape.
Draw a circle on the sheet metal with a pencil compass.
Roll the cone template into a cone shape starting at the wide end working toward the pivot point end.
How to roll a metal cone.
The string should be the.
Here is one way to make a cone from flat stock.
Mark one end of the line pivot and.
You can find cone calculators online.
Cut this circle out with your sheet metal shears.
The pencil will make the circle and the slight indentation where the compass has.
How to bend a cone from sheet metal.
Draw a line onto your sheet metal the same length as you want the slanted edge of your cone to be.