I am building a camping rig. Looking for precise interior measurements. Like those weathertek floor mats that are "laser measured" precision. I need to cut a close fitting base from tailgate to the back of the front seats.
No need to be snarky.
What material are you going to be using for this? Are you going to be cutting it? I would assume a 1/16 - 1/8 "gap" in places would be way more than suitable for that.
Are removing the rear seats? They do not sit flush with the "trunk" and have a slight slope up towards the front of the car.