Custom Horse Breathing Mask

I need a specialized breathing mask for a horse suffering from Heaves (Recurrent Airway Obstruction). The mask's primary function is to aid in respiratory treatment. Requirements: - The mask should effectively aid in the treatment of Heaves... (Budget: $10 - $30 USD, Jobs: 3D Modelling, 3D Printing, Graphic Design, Illustration, Logo Design, Materials Engineering, Product Design, Prototyping)