It's a hot summer day, what better way to preserve their bacony goodness than to stay under the shade, otherwise they'll dry up. That big one in the middle is referred to as Boo-chan, I remembered a similarly named character that served as Yoshinoya's (fast food chain) mascot but I might be mistaken. The actual papercraft is the set the oinkys are standing on.
Boo-chan Papercraft [niku-mansei]
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