This is a fun 3" build very sutiable for freestyle in tight spaces.
has insane punch :D

Photos

Part List

Frame	DRC LEGIT 3XCF Micro Racer ( 9Ã—9 mm MMP ) (4 builds) Demonrc.eu	$35.00
Flight Controller	Combo PIKO F4 OSD + Stealth Mini VTX + ESC HobbyWing 4in1 20ASKU: FPV-COMBO-PSE Furiousfpv.com	$88.30
Motors	4 x RCINPOWER G1108 4000KV 6800KV Brushless Motor CW for RC Drone FPV Racing (2 builds) Banggood.com	$58.52
Propellers	6 Pairs Emax AVAN Mini 3 Inch 3X2.4X3 3-blade RC Drone FPV Racing Propeller CW CCW (65 builds) Banggood.com	$6.74
FPV Camera	RunCam Micro Eagle 1/1.8" CMOS 800TVL Global WDR 16:9/4:3 Switchable FPV Camera for RC Drone (323 builds) Banggood.com	$46.11
Receiver	FrSky R-XSR Ultra SBUS/CPPM D16 16CH Mini Redundancy Receiver 1.5g for RC Multirotor FPV Racing Drone (937 builds) Banggood.com	$24.29
Batteries	Gaoneng GNB 11.1V 550mAh 80/160C 3S Lipo Battery XT30 Plug For Eachine Lizard95 FPV Racer (8 builds) Banggood.com	$9.99