Pixhawk Tricopter by Anton | Download free STL model | Printables.com
New F3 based integrated flight controller frame coming soon! – RCExplorer
Scratch-Built Mini Tricopter (barrel bolt tilt) | Flite Test
F4 V2 PRO / F4 V3S Plus Flight Controller + Dual BN 220 BN220 GPS Für QAV R 220mm Rooster 230 mark4 225mm Quadcopter|Teile & Zubehör| - AliExpress
Neue OpenPilot CC3D EVO Flight Controller STM32 32 bit für QAV250 FPV250 Quadcopter|controller control|control flightcontroller quadcopter - AliExpress
KK-Tricopter setup guide – RCExplorer
KK Multicopter V5.5 Flight-Controller
PAM Group UAV - Drone Flight Projects - Virginia 23185