You can download these CAD models and 3D print it to make the drone.
The Gripper system consists of two claws as shown here.
The CAD models were also tested for FEA
If you used this code, kindly consider citing the paper: E. Andersson and A. Bogga, ‘Hexacopter with gripping module’, Bachelor's Dissertation, Halmstad University, Sweden 2018.
Distributed with a BSD LICENSE.