In copper sheet it is 1 pound per square foot approximately.
Copper sheet for craft work.
Create copper luminaria and lampshades using an awl tin snips and copper sheets.
Standard heavy weight sheet metal for larger craft work roofing and range hoods etc.
I usually use a pair of snips to cut 10 mil.
For sheet metal it cuts with a tin snips or saw 24 020 or 20 mil 5 mm half a millimeter.
Here are photos of some of my work using 10 mil copper sheets.
Vgseba 300 sheets gold leaf real copper leaf schabin imitation gold 5 5 by 5 5 metallic foil for gilding painting arts crafts nails and diys 4 8 out of 5 stars 9 8 66 8.
Heavy weight sheet metal.
You can also use a pair of scissors or a utility knife but the edges are very sharp so you will want to be careful.
I have created metal atcs and metal collage cards with 10 mil copper sheet.
It also comes in many alloys that blend other metals with copper.
Freeze a clean can full of water a food can or coffee can will work making sure the copper sheet is large enough to wrap completely around it.
Bend the copper sheet around the can squeezing the copper to help it hold its shape.