tricopter drone arm

This experimental 3d printed concept tricopter drone can be purchased at turbosquid for 15$ and is approx .16'L x16'W x3'H it is printed with pla and is equipped with 1400kv size motors . it came in under 200$ in parts ,not (including transmitter). the drone can be printed on small fdm printer (150mmx150mm build plate . the arms that house the esc's and motors can be easily removed and replaced by sliding a new one in and the tail is equipped with large 20kg servo for strength and stability ,

the list of parts ( all purchased on amazon )

1x kk2 flight controller

1x rx9 receiver

3x 1400kv outrunner motors ( 28mm in diameter )

3x 30amp esc

1x 3s lipo battery

1x 20kg servo

1x pack of RC 8mm wire connectors

2x 10x5x4 bearing (skateboard bearings)

1x 5mm x 50mm tubing

1x pack of 2mmx4mm screws

1x assorted servo screws