Rifle case e-foil inner shell

This frame adds internal support to a sniper rifle case when building it as an e-foil with mounts adapted for Gong Alvator mast. Read more about the project here:
https://foil.zone/t/rifle-case-efoil-build-with-4-x-60v-powerworks-tool-batteries/18221

The parts are designed to be cut out of 3 mm aluminum with laser. I used the service www.laserboost.com where you just send in the STEP files, pay with credit card, and they send you the cut and bent files. No additional drawings needed.

This design is based on the excellent work done by @superlefax and @kotnascher.

In one assembly you need:

1 x Inner shell - Base v6.step
3 x Vertical support v2.step

Holes for screws need to be countersunk after laser cutting.

I made some manual adaptations after cutting, with a metal cutting saw, to get the final shape. These adaptations can be seen on the photo but are not in the CAD.

Onshape design is here: https://cad.onshape.com/documents/0c9c7e07e9de10c3a3d5050a/w/33476f56c0