12v Field Battery Box Plans and Parts

This is the new 12v field power box I built for my astronomy rig. I thought I would post the parts list and plans in case anyone was interested in building one of their own and had no idea where to start. Please proceed at your own risk.

Main components:
1 x Monoprice Weatherproof Hard Case with Customizable Foam, 12" x 10" x 8"
1 x Sealed Waterproof LED Rocker Toggle Switch SPST Marine 12V Panel Mount Round Red
2 x Red LED Round Digital Display Dual Volt/Ammeter Car/Truck/SUV
1 x DROK LTC3780 14A High Power Auto Step Up Down Voltage Regulator 5-32V to 2-24V DC Adjustable Converter Transformer with 15A fuse for Charging Car MP3 MP4 GPS Phone
1 x Tecmate OptiMATE CABLE O-20, Weatherproof SAE socket, front panel mount
1 x West Mountain Radio RIGrunner 4008H Horizontal

Wire and connectors:
25' 16 gauge black wire
25' 16 gauge red wire
50 x male crimp on disconnects (blue)
50 x female crimp on disconnects (blue)
50 x crimp on T-connectors
10 x black anderson powerpole red ends
10 x black anderson powerpole black ends
20 x anderson powerpole crimp on terminals
20 x anderson powerpole roll pins

Tools:
anderson powerpole crimper die (or tool and die if you don't have one already)

3D Printed parts mounted in the hard case:
2 x 3D printed battery retainer
2 x 3D printed wire guide dowel retainer
1 x 3D printed wire guide
1 x 3D printed regulator bracket