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Metal Casting using 3D-Printed PLA Mould

Printing a PLA mould, use this to cast Pewter

bmshadbms.had
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I discovered (by accident) a new way of doing Metal Casting.

I was having trouble with RTV High Temperature Silicone Mould Making Kit. With some left over liquid Pewter - I poured it into a PLA mold and it did not just melt. With this in mind I have experimented....

After some work I now have got this as a workable method for producing metal objects. Given my past hacks - Traffic light cufflinks - Hackaday as proof I made some Hackaday Cufflinks.

Source files are at Youmagine - https://www.youmagine.com/designs/had-cufflink-mould and Tinkercad https://tinkercad.com/things/9erQIt3o35j Assuming you have a 3D-Printer, if you invest a few pounds for a ebay-toaster-oven and some lead-free Pewter make you own HaD Cufflinks.

Tip etc are in the videos.

had_cufflink.stl

Mould to print

application/sla - 846.18 kB - 12/25/2015 at 15:38

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    A short description, featuring the HaD cufflinks

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Elliot Williams wrote 09/20/2021 at 10:01 • point

How does the PLA not melt?  I'm amazed that this works at all.

But Hackaday cufflinks are definitely the proof of the pudding!

  Are you sure? yes | no

Ahron Wayne wrote 04/03/2021 at 16:52 • point

A classic! Love that DIY 3d printer. Never would have expected to see casting in PLA. 

  Are you sure? yes | no

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