Summary

Adapter plate used in the making of the lego drone on The King of Random youtube channel

https://www.youtube.com/watch?v=SOWQ9zs8iN4

This plate is printed in TPU and used to hold the flight controller against the lego square piece.

For the battery strap, punch holes in the strap and attach it to the bolts. (8 large bolts, 12 small bolts)

Original parts (most aren't available anymore, look at the origional links to figure out the part numbers)

Motors (2205 1800kv) - https://www.racedayquads.com/products/rdq-badass-2205-1800kv-fpv-racing-motor

Camera (foxeer-arrow-micro) - https://www.racedayquads.com/products/foxeer-arrow-micro-pro-600tvl-2-1mm-fpv-camera-with-osd

Radio Receiver - https://www.racedayquads.com/products/frsky-xm-receiver-sbus?variant=40302661831

Battery (1500mah 4s) - https://www.racedayquads.com/products/cnhl-g-plus-1500mah-14-8v-4s-100c-li-po-battery

Flight Controller & VTX (HGLRC XJB F438 V2) - https://www.racedayquads.com/products/hglrc-xjb-f438-tx20-v2-20x20-f4-flight-controller-osd-38a-blheli_s-esc-25-100-200-350mw-vtx

Props (azure-power-lcp-5140) - https://www.racedayquads.com/products/azure-power-lcp-5140-tri-blade-5-prop-choose-your-color

Battery Strap (250mm) - https://www.racedayquads.com/products/lipo-battery-strap-250mm

Smoke Stopper - https://www.racedayquads.com/products/smoke-stopper-by-rdq-and-bengineeringlabs