The problem with the pics has been the reflectivity of the white vinyl. Sunlight or flash didn't matter.
Turned the flash off and grabbed a flashlight
4 cuts were all on each side. It flexed perfectly elsewhere.
Here are the sheetrock screws :
A single $14 piece did it and left around 4-5 ft scrap.
Side note:
It scraped the ramps coming off of them. Paint it after you back off of the ramps. I scratched the paint ever so slightly. The Krylon Fusion hadn't fully cured and bonded to the vinyl.