Cleaned up and deburre the edges of the new opening in the baggage compartment shelf. Then I cut out an access door out of .025 using tinsnips. I deburred the door and then started laying out the hinge location. I scratched my head alittle on this but settled on the configuration in picture #3. It might not be obvious but hinges can be installed a number of different ways depending on what you need to do.
Cutting out the access door with tinsnips.
Here's the door in position.
Here's the door with the hinge roughly in position.
