Harbor Freight / U.S. General Mini toolbox inserts

I picked up a mini-toolbox at Harbor Freight to hold my misc. 3D printing tools and another one for my shop to help organize my junk drawer. The biggest issue is that the two drawers don't extend all the way so anything in the back ~1/3 of the top drawer is difficult to access.

I designed some organization boxes that slip into the drawer and have a "handle" that slips over the side of the drawer which can be used to easily remove the box for easy access to the contents. Note that there are left and right versions for the top drawer. I also discovered that some of the older tool boxes have metal tabs protruding inside the drawer where the rails are connected. The newer versions do not have this. You will need to use the versions "with holes" for the older design toolbox so that the organizer boxes sit tight against the wall.

I've also included a simple box for the top tray that is sized to the max height while still allowing the top to close. On the Top tray, note that t