Finish the following sentence with the best choice: How do I make the mold for casting my coaster ?

Choices:
- Use an old laminate shelf, cut a  12" by 12" square from it and four 1" by 12" strips that will be glued to the sides of the square with super glue.
- Use an old laminate shelf, cut a  12" by 12" square from it and three 1" by 12" strips that will be glued to the sides of the square with super glue.

Answer:
Use an old laminate shelf, cut a  12" by 12" square from it and four 1" by 12" strips that will be glued to the sides of the square with super glue.