These Bumblebee quadrocopter brackets tend to break easily on rough landings. This Bumblebee quadrocopter bracket is a replacement for original and broken parts. The screwholes are slightly larger then the original, so screws will drop through more easily.
On the picture the bracket above is the orignal and the bracket below is the printed version.
Downloadable files are:
Bumblebee_bracket3.stl open bracket, like the original part.
Bumblebee_bracket4.stl closed bracket.
Bumblebee_bracket5.stl beefy bracket.
It fits to the Bumblebee quadrocopter Accubase http://www.thingiverse.com/thing:98592.
To be printed with 100% fill, 3 shells, 0,1mm filament layer height, without raft or supports.