Our 3D prints are designed and printed by Noozle3d, if you want custom colors of our prints you can contact them directly. 3D printed part made of a rubber-like material for long-lasting product life. It is the material of choice of Pro Pilots. Designed by Chad Kapper, this duct design is oriented for improved longevity. His design removes the need for standoffs and has a stronger lip on the duct. This makes them less likely to compress and makes your props last longer. Included Parts: Two Kapper Cinewhoop Ducts Material: 3D printed TPU This product is made to fit the Cinewhoop or Shendrones Squirt frame. We made the files available for you to download and print yourself… 76mm Version [DOWNLOAD] 78mm Version [DOWNLOAD] Note: Most 3D printers won’t need support if you print them upside down. Both sides are identical, just print this file x 2.