Why Nostr? What is Njump?
2024-12-26 18:27:56
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Lenny on Nostr: nprofile1q…2g4j5 The mild vacuum created by air being pulled will pull the metal ...

The mild vacuum created by air being pulled will pull the metal into all of the tiny details in the mold while also removing gas bubbles so you don't need venting tubes. I'll take some proper pictures next time I do a cast.
I'd also recommend checking out ceramic shell casting which isn't as detailed since it doesn't use a vacuum, but isn't limited by the size of the flask making it good for big casts. Investment is my personal favorite way to go for small ones though.
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