3D Print to Brass Casting: Trilobite
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- Опубліковано 8 чер 2024
- I melt down brass to cast into the shape of a Trilobite!
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I'm a total amateur, and this isn't even the "correct" equipment for casting, but boy is it neat to be able to do!
Timestamps:
00:00 Intro
00:07 Furnace and Crucible
00:53 1st Casting - Pirate Pistol Butt-Cap
01:23 2nd Casting - Belt Buckle Impression
01:34 3rd Casting - Tiny Gold Bar
02:56 3D Print for Casting
02:53 2-Part Sand Mold
03:05 The POUR!
03:40 Opening the Mold
04:46 Cleaning up the Casting
06:22 Finishing Polish and Patina
07:27 Completed Project
08:01 Conclusion
I melted down some scrap brass and made a Trilobite!
To do this, I started by creating a 3D print. Then I made a two-part sand-mold. The 3D print was covered in sand, which was packed down. The frame was flipped over, covered with baby powder, and then another layer of sand was packed inside an upper wood frame. Then this was pulled off, the 3D print removed, and holes added to pour the molten metal and to let the air out. The frame was reassembled and molten brass was poured into it.
After the casting was cooled, I cut off the extra material and cleaned it up with a grinder and wire wheel.
Then I added a patina with ammonia vapor. Next, I polished the casting with #0000 steel wool so that the high spots were shiny brass, but the low areas kept the dark patina!
I gave this to my sister as a Christmas gift.
I used the following to make this casting.
Vevor 3-Burner Forge: amzn.to/40KVOZ6
#0 Crucible: amzn.to/4890VoR
Here's a BLOG post about the tiny gold bar - the casting right before this one - which was also made using a 3D print, although in a simple open sand mold.
300mpg.org/2023/12/22/tiny-go...
If you want to see some REAL casting at work, there are all sorts of great videos on the subject on UA-cam. The pattern for the trilobite was from Robinson Foundry: / @robinson-foundry
• How to cast bronze TRI...
Trilobite STL File: www.thingiverse.com/thing:482...
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Licensed under Creative Commons: By Attribution 3.0 License
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Here's a link to the blog about the Tiny Gold Bar, the casting I made right before this one. That was also from a 3D print, but from a simple open sand mold.
300mpg.org/2023/12/22/tiny-gold-bar-brass-casting/
That's a cool furnace. Given the size of the crucible you were using, wondering if you had any thoughts on those DIY water-cooled electric induction heater/smelters, from an energy use perspective in terms of electricity vs gas. BTW, the casting turned out great!
I've love to try electric vs gas.
The main thing right now is just that I'm using what I have available to me.
Casting on electricity would be great because I have solar at my house and can literally make my own power! Also, propane in a #20 bottle isn't cheap!
I've been keeping my eye on used equipment listings for an inexpensive electric kiln. That could be handy for all sorts of projects.
1000000 points , if we could 3d print in wax and use it to cast 3:46
You would think somebody would have a wax 3d printer!
I guess there is a printer filament which is supposed to melt out without leaving any ash. It’s like $50 a roll instead of $20, but if it works, how slick would that be!
I’m planning to order a roll.
@@BenjaminNelsonX i think you might be able to use simple parafin wax with maybe a little tweaking on the temperature of the extrusion nozzle