Yesterday I spoke to the folks that make the 3D Maxpider Kagu mats about whether there was a new mat coming out for the rear of the 2017 Model S since the 2016 version is snug in the back of our 2017 car (front mats fit fine BTW). They saw my photos and are interested to scan our car for measurements, however we are located in the San Jose area and they are in Fontana, Southern Calif near Riverside/San Bernadino. If anyone has a 2017 MS with the PUP underseat lighting package and would be willing to do this, please let me know by Conversation and I can pass the info on to them. Thanks.
If you want to see the photos of the 2016 version mats in our 2017 MS 75D, I posted them awhile back in this thread (posts #33 - 37):
Disappointed with Tesla's all weather mats
BTW I also asked about Kagu mats for the Model 3 and if anyone knows of someone who'd be willing to get their Model 3 car scanned for fit, love to hear from you too.
Correction to one of my above posts. Turns out we bought our Kagu mats off Amazon and our Rola cargo organizers from Autoanything (who actually had a better deal on the Kagu mats than Amazon it turned out).