Air Blower\Duster for Electronics\Camera\Computer

I received a roll of TPU for Christmas and was inspired by Biolooks Air Duster to produce my own set of Air Dusters. I am really into photography so the fine tip duster will be great for Camera and Lens cleaning.In this design I have:1.Included an integral thread to both Bellows and cap to provide a strong relatively airtight seal.2.Sculpted bellows to make them easier to squeeze. Included some ribs to maintain bellows shape.3.Included an all in one piece design.4.Provided two types of interchan