If the community needs in accurate and high-quality projects such quadrocopters, please let me know. The best way to vote in the comments. If I get 100 votes, then I take to work :-) Attention! This is an experimental model. More details https://grabcad.com/library/black-clipper-1 Project aims to provide high rigidity and light weight of the quadrocopters frame using 3D printing technology from ABS plastic The main ideas and ways of their implementation