I lucked into a seamless HF 9x12 last one I picked up. Next time I go I hope I'm as lucky again. I still need one more 9x12 and a 6x9 to finish out mine, so that's at least two more trips to HF before my 20% off coupon runs out.
If you get the flyer in your Sunday paper, occasionally they'll have that little multimeter free with purchase of something else. I got one of those freebies to keep in the camper-specific toolbox I plan on keeping in there with stuff that might be needed for patching/repairing: Stuff like a roll of #14 wire, electrical tape, extra extension cord, that tester, jack, 4-way, tire plugs, a pack or 2 of running light bulbs, and of course duct tape, scraps of canvas, a bottle of TB2, etc.
You're GONNA have seams in places. No getting around it. Literally---corners will make you have overlaps and seams
I'm just trying to put them in unobtrusive places, and symmetrical side-to-side. Of course, who am I kidding? I have one green and one white wheel on it