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The plastic door number on my flat door was damaged, so I decided to make a new one. As a material, I could use aluminum, brass or copper. I decided to make it of brass using lost foam casting technology.
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My other videos:
Making a Cast Brass Belt Buckle: https://youtu.be/Is2RBwBkXDk
Aluminum house sign. Lost foam casting: https://youtu.be/iOrAwMC9RSA
DIY Bimetal Cup Coaster. Aluminum + Copper Casting: https://youtu.be/CqENr-IbS7U