This is the carbon fiber version of the main body of the 3d printed design featured here:

https://www.thingiverse.com/thing:3462729

***ATTENTION***

this is only the main body part - you will still need to print the pod to build the pictured frame.

This is a frame for a plus configuration 4'' quadcopter.
 

***ATTENTION***

this is only the main body part - you will still need to print the pod to build the pictured frame.

you can download the files for the pod (or the whole frame) here:

https://www.thingiverse.com/thing:3462729

Limitations:
20x20 stack only (2 layers with 6mm standoffs)
12x12mm m2 hole pattern motors only (most 13XX, 14XX, 15XX, 16XX)
max motor base radius 21mm

Can fit a full size 28mm wide camera, or micro camera with backpack VTX (recommended).

Required hardware:
4x 10mm M3 (you can use up to 40mm if you want to build your stack on them)
4x plain M3 nuts
16x 6mm M2
6mm M3 standoffs

Build recommendation :

***Budget version***

Kingkong 4045 biblades
https://www.banggood.com/custlink/3vGvd4QWsV

4S 450 or 650mAh

Racerstar 1306 3100KV
https://www.banggood.com/custlink/vmDDYBncQZ

Noxe F4 flight controller
https://www.banggood.com/custlink/DvDGdBbWsn

Spcmaker 20x20 20A 4in1 ESC
https://www.banggood.com/custlink/D3GGEeNcn2

Runcam Robin
https://www.banggood.com/custlink/KmKvd0NcA1

Runcam TX200U
https://www.banggood.com/custlink/33mvh6QJMV

***Splurge version***

HQ Durables 4x4.3x3
https://www.team-blacksheep.com/products/product:1801

4S 850 or 1050mAh

EMAX 1606 3300KV
https://www.banggood.com/custlink/Gv3GEBAcML

Helio Spring mini
https://www.getfpv.com/helio-spring-imu-f-mini-flight-controller-32khz-osd-butterflight.html

Aikon AK32PIN 25A
https://www.banggood.com/custlink/DmD3RgsrMb

Foxeer Falkor
https://www.banggood.com/custlink/vGvGE0nc22

TBS Unify Pro32 Nano
https://www.team-blacksheep.com/products/prod:unifypro32_nano

***flight video***
https://www.youtube.com/watch?v=vDg1e84P3iw