Mechanically Locking Container w threaded insert and screw (improved integrity)

Remix of Mechanically Locking Container by @JamesThePrinter, adds

1. cutaway to Inner Linkage for M3 threaded insert 
2. cutaway to Knob 2 for M3 x 20mm Hex Socket Cap Screw

When assembling the locking ld,

1. Heat-insert M3 threaded insert to Inner Linkage
2. Pass Hex Socket Cap Screw through Knob 2 (top-down) and then press-fit Knob 2 to top of Inner Linkage that passes through the center of the appropriately sized lid. Once fit in place, tighten the Hex Socket Cap Screw into the M3 threaded insert 

Filaments used in photos:

• Paramount 3D PLA - Iron Red
• AnkerMake PLA+ - Black