There is a online company called fruitshaper.com that has invented these moulds that will create crazy looking fruit. Everything from pear shaped baby's to square watermelons...
To make a square watermelon , you only need a square mould to make it happen. But If u want to make a square watermelon with your logo on the surface ,you need a special bit of ingenuity to get it done! Maybe a steemit logo could be fun?
Skull and Frankenstein shape pumpkins! These moulds are designed to shape the pumpkins into a skull fore example , it is thick and durable enough to use many times over. I think this will be a big seller for Halloween!
The heart shape apple mold with "love" was developed by http://www.fruitshaper.com/ which is used to shape apple ,pear or melon's into heart shapes. Average price for most shapes are currently around $15.00 and can be ordered online HERE from FruitChaper.
And for your convenience here is a quick video showering how the entire process works
Video Source
Follow me 