Here’s an entertaining website for those who love metalcasting and just don’t get enough of it at work: backyardmetalcasting.com

DIY hobbyists can try small-scale casting techniques in their own backyards (and at their own risk).  Some of the casting equipment projects featured include flowerpot and coffee can furnaces, a mini iron melting cupola, homemade refractories and aluminum flask building. 

Have fun and don’t forget to wear your safety gear!