Set the piece of aluminum on a table or over sawhorses and position it so the cutting area has open space underneath it.
Cutting aluminum sheet clean.
These photo steps show that it can be done using a utility knife.
To cut the sheets of metal rathe.
This weakens the aluminium and creates a fracture line.
Clamp the aluminum down.
The illustrations are for a small bracket but i have cut 3 foot.
Place the fracture line over the edge of a table and bend the overhang slightly downwards.
With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.
This jet of water eats away at the metal and leaving a clean smooth edge.
Probably the preferred method for cutting intricate or thick aluminum the water jet focus a very thin stream of water mixed with abrasives at extraordinary pressures and very high speed into the sheet metal.
2 mark the start and stopping point of your cut.