Tired of the same old whoop frames breaking? Yet Another rendition of my past designs over at Thingiverse.com. An actual whoop 64mm size with 31mm props and the latest brushless motors along with all the latest technology. The smaller they are the funner they are to fly inside.
This Whoop is built around the 36x36 all in one FC design. I like the BetaFPV F4 1s or 2s Brushless Flight Controllers (Frsky RX) the best, but the CrazyBee F3 Pro works just as well.

The frame is only as strong as the material you print it with.
I only use MatterHackers NylonX. I haven't been able to break a frame yet. I can only bend them, but I don't abuse my quads I fly pretty conservatively I guess you could say indoors.

With the parts listed below you can accomplish the following weight:

64mm Whoop with 31mm props 21g awg! THE FRAME ONLY WEIGHS 4g!
Frame can be found at https://www.thingiverse.com/thing:3626213

FIRMWARE: I installed the following settings using Betaflight 3.5.4 (not entirely sure the Mockingbird settings will work on firmware above 3.5.4). After PID tuning to the Mockingbird settings YOU WILL NEVER LOOK BACK!!
0802-0803 motor tune: https://docs.google.com/document/d/1Wi1RWihq1UWk1HpdzKoa0ajkLMpaYqFRaZOUaXbTtgc/mobilebasic#!
0603 motore tune: https://docs.google.com/document/d/11h4-t42uFTP_vnDinGut6XdG6tdHH1BZmdKBRv6pM6Q/mobilebasic#

PARTS LIST:

FLIGHT CONTROLLERS:
BetaFPV F4 1S or 2s Brushless Flight Controller (Frsky RX) 4g
CrazyBee F3 Pro works as well 4g

Power pig tail Solid pin JST connector, makes a HUGE difference in eliminating voltage sag.
https://www.digikey.com/product-detail/en/jst-sales-america-inc/B2B-PH-K-S-LF-SN/455-1704-ND/926611

CAMERA AND VTX:
"TURBOWING CYCLOPS2 FPV 700tvl Cmos Micro Cam" mixed with the
"Crazepony Micro AIO Caddx Firefly VTX" with smart audio (this is the lightest camera and VTX matchup on the market right now 3.5g) (The prop Guard is designed to only fit this camera and VTX) you can change it of course and make your own design.

MOTORS:
BetaFPV or HappyModle 0603 1S 16000kv-19000kv Brushless Motors 1.6g
BetaFPV or HappyModle 0802 1s-2s 16000kv-19000kv Brushless Motors 1.9g

NOTE: Has no authority with 0603 motors and 31mm props unless you follow the steps to adjust your throttle curve in the following link.
https://rotorbuilds.com/build/11310

PROPS:
RKH 31mm 3 Blade Clear (had to drill to 1mm if using BetaFPV motors)
HQ Micro Whoop Props 31mm 1mm shaft

HARDWARE:
All 2M plastic screws cut to size (other than the metal screws that come with the motors)

A BIG shotout to MicroManiac for contributing information from all his builds.
Another BIG shot out to ErgoFPV for providing a throttle curve for the 0603 size motors.