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Copper Casting - Making copper "Trivets" for the kitchen 

Robinson Foundry
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In this video, I make a set of solid copper trivets in my home foundry. I made pattern using fusion 360 and the 3d printed the patterns in a plastic called PLA. Then I made a sand mold with a sand called petrobond.
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25 май 2024

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Комментарии : 147   
@robinson-foundry
@robinson-foundry Год назад
As some of you have pointed out, copper isn't the best choice for trivets. I like the look of copper and thought these would look interesting looking regardless of whether they work as well as they should or not. Also, we have granite countertops so heat transfer to the countertops is a non issue. I'm still going to make some feet for them though. Thank you all for watching! 🍻
@drucker03
@drucker03 7 месяцев назад
Little pieces of felt glued under the feet will be sufficient. So you avoid scratches, too.
@clubley2
@clubley2 Год назад
I guess they have a large thermal mass so this may not be an issue, but being a conductor of heat is the opposite of what you want from a trivit. It's supposed to isolate the surface from heat to protect from damage. I would replace or cover the feet with rubber.
@morgansinclair6318
@morgansinclair6318 Год назад
Was literally thinking just that, with a similar solution.
@ThisZombieBitesEverything
@ThisZombieBitesEverything Год назад
Think it will be fine, it’s replacing napkins after all
@5in1killa
@5in1killa Год назад
Also going to pull more heat from the food.
@andrejohnson6731
@andrejohnson6731 Год назад
Or leather
@morgansinclair6318
@morgansinclair6318 Год назад
@@andrejohnson6731 Or cork.
@NFTI
@NFTI Год назад
Really cool! Before and during my time at The King of Random, Grant tried several times to cast copper gears. But he never wanted to do a fully enclosed casting, because then you can't see the copper filling the mold. These look great!
@jonathanclark7444
@jonathanclark7444 Год назад
Hey nate!
@EzraTheBanjoMan
@EzraTheBanjoMan Год назад
NATE!!!!!!!!!!!!!!!!!!!!!!!!
@rick9811
@rick9811 Год назад
His voice is so much like hearing Grants, I really miss watching him (and you) and the old TKoR.
@robinson-foundry
@robinson-foundry Год назад
Thank you!
@HeinrichsMade
@HeinrichsMade Год назад
I've seen some king of random videos. Your right I believe he did a lot of open mold foam casts. I do mostly closed mold foam casts. For copper you would need a thicker shell. Copper is too heavy and would bleed out into the sand.
@The_Releveler
@The_Releveler Год назад
Couldn't agree more on the use of "overture pla filament" That's the best PLA I've worked with.
@Critters
@Critters Год назад
Copper will suck the heat out of your pan/meal. And transfer the heat quickly to the surface you are trying to prevent heat getting transferred too. It'd be cool to add some rubber feet (those little sticky dots) to protect the surface you use it on. And maybe CNC/Laser cut out a thin piece of cork sheet to adhere to the top to make it as functional as it is beautiful. You could pocket out some shapes on the top surface to inlay with cork or do a trace of the entire shape, anything to prevent direct contact of the pan with the copper.
@nixie2462
@nixie2462 Год назад
Drilling some holes and putting titanium pins as heat break would also do the trick too.
@robinson-foundry
@robinson-foundry Год назад
That's not a bad idea! I figured copper wasn't the best choice but people enjoy seeing copper casting. We have granite countertops so the only real heat transfer will be from the hot pan to the copper trivets.
@Critters
@Critters Год назад
@@robinson-foundry You could also put them in the oven and use it to keep your meal hot for longer? :)
@nicksboots
@nicksboots Год назад
Commenting here until Robinson Foundry collabs with us! 🫡
@mmnyako
@mmnyako Год назад
Man... it is so satisfying watching this. THANKS FOR SHARING!
@F_L_U_X
@F_L_U_X Год назад
Thank you so much for this channel. My wife would also like to thank you. It has cured my ED.
@HeinrichsMade
@HeinrichsMade Год назад
Well that's amazing 👍👍👍
@johnfisher3380
@johnfisher3380 Год назад
Continuing the kitchen theme, it would be interesting if you would try forming some copper cookware (perhaps a sauté pan), and line it with tin.
@robinson-foundry
@robinson-foundry Год назад
I think youre right! Thanks for the suggestion.
@swifty2844
@swifty2844 Год назад
Your sandcasts are the best I've seen 👍
@ziocrielo6148
@ziocrielo6148 Год назад
Copper is my favorite metal
@HeinrichsMade
@HeinrichsMade Год назад
I agree 👍. I melt mostly aluminum but when copper is definitely my favorite. It pours so smooth and looks awesome 😎
@ziocrielo6148
@ziocrielo6148 Год назад
@@HeinrichsMade It's my favorite mostly because it's got a bunch of cool properties and cus it's so easy to work with. You can make it soft, you can make it hard, you can melt it bend it stamp it and cool things off with it, and it looks cool too
@HeinrichsMade
@HeinrichsMade Год назад
@@ziocrielo6148 you are so right 👍 it's a heavy metal, but very workable. I cast a copper rose for my valentine this year. When I was cutting off the sprue I had to be very careful not to accidentally break it. Cast copper does bend easily, but too much it will snap.
@txikitofandango
@txikitofandango Год назад
I like the aesthetic of the layer lines. It's honest
@HeinrichsMade
@HeinrichsMade Год назад
I agree 👍 I've done some lost foam Casting with layers and I particularly like the look. I've had comments saying otherwise, but I think it's cool
@Nobe_Oddy
@Nobe_Oddy Год назад
I would personally print some 'caps' for the feet in TPU (I think that's the 'rubbery' 3d-print material) so that my counter and table won't get scratched when I use them :)
@FelipeBittencourt999
@FelipeBittencourt999 Год назад
I can't wait for the year 2025 where everything in your house is made out of copper things you made. Great video!!
@robinson-foundry
@robinson-foundry Год назад
I look forward to that too! Lol
@HeinrichsMade
@HeinrichsMade Год назад
🤣🤣🤣🤣
@silversurfer9960
@silversurfer9960 7 месяцев назад
Thanks for the video. I'm wanting to learn how to make molds and cast copper and yours was the 1st instructional I saw. If you have any beginner how to vids I'd definitely enjoy learning. Thanks again.
@patrickschoenpflug
@patrickschoenpflug Год назад
Copper I love copper more videos please on melting Copper 👍🏻😊😁
@maxcactus7
@maxcactus7 7 месяцев назад
As usual, your work is nothing short of exquisite, but I think these trivets might be my favorite item you've cast!! Simply gorgeous pieces of functional art!
@wantafastz28
@wantafastz28 Год назад
Finally some more copper content!
@HeinrichsMade
@HeinrichsMade Год назад
Yeah!! I love copper too. It pours so smooth when Casting
@JanTuts
@JanTuts Год назад
Uhm, isn't the point of a trivet to keep a pot/pan's heat isolated from a (table) surface, both to keep the pot/pan hot, and protect the surface? Wouldn't making them from the _very_ heat-conductive copper be somewhat counter-productive to that point?
@120Livi
@120Livi Год назад
I really like how you can see the 3d print texture
@SC-nw7nj
@SC-nw7nj Год назад
As an electrician this is awesome! Would love to have a set of those for sure. Awesome job. Thank you.
@HeinrichsMade
@HeinrichsMade Год назад
I love electricians 👍. That's who I get my copper to melt from 😎
@barrydheil
@barrydheil Год назад
Now waiting for the silver version, for extra fast heat dissipation.
@williamlanphar630
@williamlanphar630 Год назад
They came out with amazing detail !
@HeinrichsMade
@HeinrichsMade Год назад
Detail is in the coating 👍
@andrejohnson6731
@andrejohnson6731 Год назад
Can you make a clock movement? Or an oversized Swiss watch movement? That would be epic!!!
@jerryjohnsonii4181
@jerryjohnsonii4181 Год назад
Very Cool Trivets !!!!!!!!!!!!
@TomsBackyardWorkshop
@TomsBackyardWorkshop Год назад
You should make your sprew thicker to avoid that shrinkage.
@HeinrichsMade
@HeinrichsMade Год назад
Do you think a thicker sprue would help there? I haven't had a problem with smaller sprues
@FarmsteadForge
@FarmsteadForge Год назад
Wow, high tech, very cool!
@tylerufen
@tylerufen Год назад
that's going to suck the heat right out of your pan, going to be untouchable for a while after anything goes onto it...
@lundgrenbronzestudios
@lundgrenbronzestudios Год назад
Always so precise and clean. Very nice work.
@jeffreyhallam5517
@jeffreyhallam5517 Год назад
I would be very curious to see you tackle one of the Gingery home machine shop projects. You have experience with some fairly complex castings. I bet you could put together an excellent metal shaper. Or maybe use the 3d printer to make an old fashioned shaved ice machine with your name inlayed to the castings. That would quite dapper.
@davidanalyst671
@davidanalyst671 11 месяцев назад
In the home maker series at robinson foundry, we are going to next make a set of copper pillow cases to match the utility of copper trivets!!!!!
@canadiangemstones7636
@canadiangemstones7636 Год назад
Beautiful work!
@thunderbasilisk1352
@thunderbasilisk1352 Год назад
Might want to cover the feet with something heat resistant. Both to prevent the copper from burning and scratching the surface of whatever you put it on when used.
@elmejormirador1
@elmejormirador1 Год назад
Awesome job dude ! 👍🏻
@TheJCJexe
@TheJCJexe Год назад
Wow those castings came out beautiful. Nice!
@HeinrichsMade
@HeinrichsMade Год назад
Copper Casting is cool 😎
@diyfireking
@diyfireking Год назад
Your ideas & execution always impress, love all your projects. 👍👍
@misterhat5823
@misterhat5823 Год назад
Won't copper do a great job conducting heat into your countertop?
@christopherbroms2508
@christopherbroms2508 Год назад
yes. I am not sure how they overlooked that.
@christopherbroms2508
@christopherbroms2508 Год назад
@Bryan but if the legs get as hot as the pot they will still burn the table. They will just burn in a small area instead of a large one.
@ambrozhudobivnik5656
@ambrozhudobivnik5656 Год назад
You could upgrade your artillery SWX2 by casting metal feeder gears and the stuff in the extruder i forgot what its called
@alanbockelman
@alanbockelman Год назад
When doing lost PLA casting like this, and want to keep the layer lines, look into other top infill patterns than just linear. Hilbert curves would be interesting. Prusa also has a "Fuzzy Skin" option that I haven't seen people make much use of.
@Njazmo
@Njazmo Год назад
Well, that wasn't lost PLA casting.
@loyd5074
@loyd5074 Год назад
Very nice
@HeinrichsMade
@HeinrichsMade Год назад
I 👍
@WaddedBliss
@WaddedBliss Год назад
I'd have been tempted to leave them to get a patina.
@ClayBo21879
@ClayBo21879 3 месяца назад
Those are lovely. I could see them with a mirror like finish as well. Do you sell them?
@garychaiken808
@garychaiken808 Год назад
😊 good job
@iceplanetchris2052
@iceplanetchris2052 Год назад
cool video
@somecarperson
@somecarperson Год назад
So glowing kunai
@michaelsprout8762
@michaelsprout8762 Год назад
Cool 😎
@Vikingwerk
@Vikingwerk Год назад
Fancy!
@BoatNectar
@BoatNectar Год назад
Other than a platinum-rhodium alloy I literally think you could not have picked a worse material for preventing heat transfer to the tables
@hunterrobinson3243
@hunterrobinson3243 Год назад
nice
@bulldaagg
@bulldaagg 9 месяцев назад
Can you recommend good beginner tutorial info. your affil links are also very helpful in creating a start up list
@brikkabrock
@brikkabrock Год назад
How many uses of the petrobond do you usually get before needing to replace it?
@__8120
@__8120 Год назад
"just look at these layer lines" *as the camera zooms in on top fill*
@EnglishCharlie
@EnglishCharlie Год назад
This is an excellent project. Very skillful. I'd love to do a collaboration.
@howyoudurrinhunneh
@howyoudurrinhunneh Год назад
I want a set :)
@HeinrichsMade
@HeinrichsMade Год назад
Me too 👍
@Lunarion31
@Lunarion31 Год назад
Yess more copper :D
@HeinrichsMade
@HeinrichsMade Год назад
Yeah!!!! I love watching melted copper. I pour mostly aluminum, but have done a few copper projects.
@superfluousification
@superfluousification Год назад
What's the purpose of a draft angle when using petrobond? A draft angle is for removing from a solid reusable mold.
@thechumpsbeendumped.7797
@thechumpsbeendumped.7797 Год назад
You don’t show the use of any flux or removal of dross. Was it not needed or just not shown?
@HeinrichsMade
@HeinrichsMade Год назад
I don't use flux most of the time either. I have used it when melting brass.
@noahc6544
@noahc6544 Год назад
Where did you source your phosphorus copper from? It looks like the easiest storefront (budget foundry supplies) has closed down, and I was wondering if you had another supplier
@XXCoder
@XXCoder Год назад
You need to lower bit more for first layer :D 0:51 clearly shows that its not smooshed enough
@Alex-theez
@Alex-theez Год назад
Does the protecta Clear leave a matte/ satin finish? or a clear gloss? and is it sticky to touch after its dried?
@robinson-foundry
@robinson-foundry Год назад
It leaves a slightly shiny finish. Its hard to tell its even there.
@Alex-theez
@Alex-theez Год назад
@@robinson-foundry thank you! I need some for my custom lightsabers that have copper accents and parts
@Alex-theez
@Alex-theez Год назад
@@robinson-foundry thank you! I need some for my custom lightsabers that have copper accents and parts
@corneliushuber2716
@corneliushuber2716 Год назад
Im not sure copper is the right material for this since it is very conductive. If you want to use it anyways the trivit probably isolates better if you keep the feet on the upside to minimize the amount of heat transferred from the kettle into the trivit and spread the heat your desk will have to deal with onto a bigger surface.
@fgdsfga
@fgdsfga Год назад
What kind of crucibles are you using?
@nixie2462
@nixie2462 Год назад
Cool, but they are going to cool down the food you put on top really fast. Copper has better heat conductivity than Aluminium, 398 W/m•K vs 247 W/m•K, whereas a cast iron trivet will just have 60 W/m•K, and a stainless (304) is just about 20W/m•K
@andymanaus1077
@andymanaus1077 Год назад
What would be a wooden trivet's conductivity? I suspect it would be better than all of the above.
@orange010
@orange010 Год назад
💖💖💖
@partsdave8943
@partsdave8943 Год назад
Why not print this upside down as one piece, instead of making removable risers?
@littlehills739
@littlehills739 Год назад
nice build but why multi part set up?
@kiwishamoo6494
@kiwishamoo6494 Год назад
Great way to make burn marks on your wooden benchtops 🤣🤣
@HeinrichsMade
@HeinrichsMade Год назад
Hahah my bench top is full of burn marks too.
@ebaymagot
@ebaymagot Год назад
where do you get your Petra bond?
@dk7863
@dk7863 Год назад
👍
@wikusdp
@wikusdp Год назад
If you want to eliminate the shrinkage dips in the t sections of your casting you can "chill" those areas by placing steel blocks on those areas when moulding. When the liquid metal hits the chilled faces it will freeze of and stop the shrinkage.
@Pineapplepen_2
@Pineapplepen_2 Год назад
Everything is cool, but it is not clear why the triangular steps on one side of the gear?
@Arceus3251
@Arceus3251 Год назад
Ah. My favorite game: "Will it incinerate"
@chuckufarley1343
@chuckufarley1343 Год назад
Is petrobond reusable?
@HeinrichsMade
@HeinrichsMade Год назад
Yes, you just need to regenerate it with oil. I use greensand which is regenerated by using water.
@Cypher791
@Cypher791 10 месяцев назад
⚙️😮
@tahahaider5836
@tahahaider5836 Год назад
Can someone tell me what would happen if we melted metals like aluminium,zinc, copper,silver,brass together?
@canadiangemstones7636
@canadiangemstones7636 Год назад
You would form an alloy.
@user-sz2px8pv3f
@user-sz2px8pv3f Год назад
Google is a thing, sweetheart...
@tahahaider5836
@tahahaider5836 Год назад
@@user-sz2px8pv3f bro i know that obv 😒 but it wont show me specific results. I don't think there is a video of that on RU-vid.
@tahahaider5836
@tahahaider5836 Год назад
@@canadiangemstones7636 but what kind of alloy? How strong would it be? What would it's colour be like?
@HeinrichsMade
@HeinrichsMade Год назад
It would make an alloy. Different percentages of each metal would determine it's strength and color.
@rachelg552353
@rachelg552353 Год назад
You have a twin?!
@Horus_the_Avenger
@Horus_the_Avenger Год назад
Just realized you sound a damn lot like ClownPierce
@haugstule
@haugstule Год назад
why didn't you mesh the gears to see if they would be doing their thing? and figure out to what degree they would "scrape". be a lot cooler if you did
@macedindu829
@macedindu829 Год назад
If you were assuming people generally know what trivets are, I suspect you were incorrect in that assumption.
@ashleys3dprintshop
@ashleys3dprintshop Год назад
I was today's year old when I found out what a trivet was.
@Horus_the_Avenger
@Horus_the_Avenger Год назад
🤔
@delliardo583
@delliardo583 Год назад
Oh, I normaly call those "things to put hot stuff on so you don't burn the god damned counter"
@Linus-qe8po
@Linus-qe8po Год назад
why not just use aluminium? It would have been cheaper + less heat conductive than copper. The copper will even help cooling down the pan more quickly, storing all the energy.
@jacklinks9621
@jacklinks9621 Год назад
bro made Dwemer cogs
@axeldejesus2060
@axeldejesus2060 Год назад
Hello Seth. My question is not related to this video. It is about this video you posted 6 years ago. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-8f4E2ODzhxw.html I would like to know if the files are still available and the thickness off the material you used, please. Thanks
@robinson-foundry
@robinson-foundry Год назад
Hi, yes there’s a link to the file in the description. The wood I used is about 1/8” thick. You’ll definitely have to do some experimenting before cutting the whole thing. Good luck!
@spycat5454
@spycat5454 Год назад
it looks like you just stole it off of someones wind turbine
@warrior4christ777
@warrior4christ777 11 месяцев назад
Most expensive pot coasters ever
@Memecat992
@Memecat992 Год назад
Hi im first
@bloognoo
@bloognoo Год назад
Hi first! I'm Dad
@Theonekhaled1
@Theonekhaled1 Год назад
Love the stuff you usually make but this is the most stupid idea ever. Sure I might be usubke sometimes but you need a poor heat conductor for that task, not a copper one..
@Gunbudder
@Gunbudder Год назад
isn't solid copper the opposite of what you want for a trivet? you want something that is super fibrous like pressed paper fibers. Basically, you want asbestos pressed into that shape you've made. Obviously you don't literally want to use asbestos, but you want something with all the same properties (minus the whole cancer thing). Buck Knives sells a recycled pressed fiber cutting board that works great for this, and it has a nice knife that slides into the bottom
@davidanalyst671
@davidanalyst671 11 месяцев назад
I love this idea, but at the end of the video you said you are going to enjoy this product for years to come...... soooooo you are going to be burning your hands for years to come?
@carrotisthebestgaminggecko5168
1050th
@cmoonshinez
@cmoonshinez Год назад
🔥🪙make sure no fingerprints are left in the sand design.. 🪙🔥
@FiglioBastardo
@FiglioBastardo Год назад
Phew so many armchair critics. These look great! Well done.
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