Hello, Currently there is an increasing number of private 3D printing users in the world. I am one of the many 3D enthusiast who loves to create new products that are only limited by ones imagination. Like many I too face the problem with a high percentage of waste material. This led me towards filament extruders. I realized that there is a huge room for improvement in current filament extruders. I would like to explore this opportunity. Hence, would like your help and support by filling the below survey. http://goo.gl/7zuz8P I really appreciate your help. Thank you.