Awesome Casting

Maze Puzzle Bolt

Maze Puzzle Bolt

After casting a metal bolt with double threads, Robinson Foundry is back to show off another unusual bolt design. This oversize bolt has a maze thread pattern, which requires a complex sequence of moves to remove its nut. Like many of his other builds, he created ceramic molds over 3D prints, which he melted away.

Making a Metal Seashell

Making a Metal Seashell

Cast metal versions of organic forms can look awesome, like this seashell that Seth Robinson made. The process involved placing a marlin spike shell into a sand mold. After melting aluminum and pouring it into the mold, he removed the casting and cleaned up the excess metal to reveal what the insides of the shell look like.

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Turning Bullet Casings Into Brass Coins

Turning Bullet Casings Into Brass Coins

If you’ve been to a firing range, you’ll see countless shell casings littering the ground. Seth over at Robinson Foundry wanted to put these to use, so he melted down the brass casings and turned them into custom coins. He created the shapes by 3D printing coin models, then placed them into a sand mold for casting.

Making a Sword with Thermite

Making a Sword with Thermite

While most of the videos on the Internet that involve thermite end up destroying stuff, The Backyard Scientist decided to use the extremely hot concoction to fire a crucible for casting a sword. The result isn’t the most attractive looking thing, but still an effective weapon.

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