Making a bolt with ZIGZAG threads - SO STRANGE! - Lost PLA metal casting
In this video I will be making a bolt with unique zigzag threads. I started this project by 3d printing models in a plastic called PLA. Then I coated the models 10 times with a ceramic material called Suspendaslurry. After the ceramic shells were completely dry I placed them in my kiln and melted out the PLA plastic. At 1500 degrees Fahrenheit the ceramic shells became vitrified, turning into a ceramic that can withstand the heat of molten bronze. I melted the bronze in my homemade keg foundry furnace and then poured the liquid metal into the ceramic shell molds. This is similar to the lost wax casting process.
-------- Affiliate links to items used in this video -------
Polishing Compound
The best polishing wheels ever
Overture 3d printer filament
Some of my favorite hand files
The die grinder I use
Clear Coat - I love this stuff!
NeverDull metal polish https://a
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