3D Print Into a Solid Aluminum Metal Casting, (Lost-PLA Casting) : 8 Steps (with Pictures) - Instructables
Amazon.com: Flashforge Metal PLA 1.75mm, 3D Printer Filaments 1kg Spool-Dimensional Accuracy +/- 0.02mm, Environmental Friendliness, no Smoke and no Odor (Aluminum, Metal PLA) : Industrial & Scientific
RepRapper Tech Offering Aluminum PLA 3D Printing Filament - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
Spectrum SILK PLA Aluminium Silver - 3DJake International
Casting Aluminium With Lost PLA Investment Mold : 8 Steps (with Pictures) - Instructables