Tray with ledge (for draining washing machine)

Customizable tray with ledge. I use it for draining my washing machine Parameters: width: the outer width of the tray depth: the outer depth of the tray, excluding the ledge height: the outer height of the tray bottom thickness: the thickness of the bottom of the tray wall thickness: the thickness of the walls of the tray and the ledge ledge width: the outer width of the ledge ledge length: the length of the ledge; how far i protrudes from the tray rounding: the rounding radius of the bottm edge and inside corners