Here is a goal: How to construct your brass key?

How would you accomplish this goal?

Select from: 1). Place lamination of thin brass sheet around a balsa wood core. Glue to the wood. Decide on the pattern of the top and cut it out with a jig saw. Sand down with a belt sander.; 2). Place lamination of thin brass sheet around a balsa wood core. Tape to the wood. Decide on the pattern of the top and cut it out with a jig saw. Sand down with a belt sander.;
1).