Originally Posted by Buddysmom
I looked at the “edge” more closely and it’s just because it has padding that it looks like an added edge. LOL Oops!
So the tunnel in red (w/paw prints) looks very sturdy, how did it get it that way?! I love it!
I used 1/2" high density foam. I happened to take a pic while I was making it which I've attached. It's the green stuff.
I used the same foam to make a carry bag which I'll show too. That foam makes the sides & bottom stiff.