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Raspberry Leaf

Raspberry Leaf aka GPIO Reference Board, is a small reference card, mounted on top of the GPIO pins - good thing for humanitarians like me, "an extremely cheap way to avoid making potentially fatal mistakes when prototyping". Adafruit sells pretty one, but $2.95 + xN shipping is kinda overprice for me, so I went printing one myself, taking initial png file from here. and tuning it a bit using mad M$Paint skillz (original was little too wide). This one is for rev.2 boards pinout:

Sticking it with a clear tape to the thin PVC and drilling the holes:

Result is not exactly chef-d'oeuvre of industrial design, but it works: