Lost PLA Metal Casting Process

This is a complete documentary of the process I use to transform a 3D printed PLA part to a machine ready aluminum alloy casting: http://youtu.be/WWVVSZP3Au4
Short version: http://youtu.be/0bxOzCgUj_U

The furnace used for this documentary is here: http://www.thingiverse.com/thing:55415

WARNING: This is for informational purposes only. Fire, molten metal and high temperatures are potentially extremely dangerous. 3DTOPO Inc. accepts no responsibility for damage and/or injury of any kind caused by the use, incompleteness or inaccuracy of the information provided in the videos linked herein.