These parts in order (left is on top and far right is on the bottom) will be glued together in a stack to make a medium gear crate. Make sure to use superglue for attaching the acrylic parts. Wood or PVA glue can be used for MDF to MDF connections.
You may wish to sand/file the corners of the acrylic to make a nicer transition to the banding as it wraps around the sides.
Prime with Rust-o-leum Profesional Enamel flat black and paint as normal with hobby paints.