Advanced Shelf - Materials and Mitered Cuts Setup

What happens here

The presenter introduces the advanced floating shelf, which will be constructed using 1/2-inch maple plywood. He notes the high cost of the plywood ($87 for a 4x8 sheet). He explains that for this advanced shelf, all cuts will be mitered (45-degree angles). He demonstrates setting the table saw blade to precisely 45 degrees using a digital miter gauge. He emphasizes that for mitered corners, the internal and external dimensions need to be carefully calculated, accounting for the material thickness and the angle of the blade.

Goal: Gather materials and prepare tools for precise mitered cuts for the advanced shelf.