MPSM Side Panel - Bed Rewire , Gantry Support , Vent

MPSM side panel 2 piece remix. I wanted to print flat using the MPSM (2 pieces required), add the bed rewire, gantry support (6mm rod with linear bearings), a small vent, and extra rigidity. I haven't been a fan of how 'wobbly' the existing side panels are - especially 2 pieces with gantry support. The main reason is that there isnt a bolt in the bottom-mid region, so breaking into pieces leaves an unsupported area in the middle. The bolted flange should make this behave like it is 1 piece, for