$2 for 5PCBs: https://jlcpcb.com Arduino code, circuit, parts list and more details ► https://howtomechatronics.com/projects/arduino-rc-airplane-diy/ …
Frame: https://www.rcgroups.com/forums/showthread.php?2883082-Tweaky-the-people-s-frame-and-its-variants This build is still work-in-progress, perhaps. I think 1106 motors might be …