'Tetris' square tray with raised edge

Silicone mold for a square tray with a 'Tetris' pattern. The tray is 28 x 28 cm (11" x 11") wide, 1 cm (2/5") thick and has a raised edge.

The tray is part of several molds with the 'Tetris' pattern, see the pictures (for illustrative purposes, this item is only for the tray mold).