Battery tray system for Pilot RC Laser 103 plane (and others)

This is a complete battery tray system that can be printed with regular PLA. Total print weight is 262 grams It will fit Lipo's up to 55mm wide and 180mm long For extra strength 2 steel o-rings can be glued in the tray slots around the locking pin You will need some additional items: 2 x M3 screws for spring cap. M3 screws to fix the system to fuselage Optional: 2 pieces 0.28 Inch Mini Digital Voltmeter 2 XT90NE-M connecters (yes, they are mounted 'wrong', but it works :) Per tray: 10x8mm aluminium tube (tray slide) 6mm aluminium rod/tube (for lock) 6mm x 40mm spring (for lock) 3mm (steel) rod (also for lock) 2x6mm o-rings (lock reinforcement) 4 straps 20x300mm