Copper Casting - Making copper "Trivets" for the kitchen

[@robinson-foundry]

If you're interested in any of the tools or equipment I use and you want to help support the channel then don't forget to check out some of the affiliate links in the video description. Thank you for the support!

[@clubley2]

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.

[@MadMorgie6318]

Was literally thinking just that, with a similar solution.

[@ThisZombieBitesEverything]

Think it will be fine, it’s replacing napkins after all

[@5in1killa]

Also going to pull more heat from the food.

[@andrejohnson6731]

Or leather

[@MadMorgie6318]

@@andrejohnson6731 Or cork.

[@NFTI]

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]

Hey nate!

[@EzraTheBanjoMan]

NATE!!!!!!!!!!!!!!!!!!!!!!!!

[@rick9811]

His voice is so much like hearing Grants, I really miss watching him (and you) and the old TKoR.

[@robinson-foundry]

Thank you!

[@HeinrichsMade]

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.

[@Critters]

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]

Drilling some holes and putting titanium pins as heat break would also do the trick too.

[@robinson-foundry]

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]

@@robinson-foundry You could also put them in the oven and use it to keep your meal hot for longer? :)

[@F_L_U_X]

Thank you so much for this channel. My wife would also like to thank you. It has cured my ED.

[@HeinrichsMade]

Well that's amazing 👍👍👍

[@nicksboots]

Commenting here until Robinson Foundry collabs with us! 🫡

[@johnfisher3380]

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]

I think youre right! Thanks for the suggestion.

[@The_Releveler]

Couldn't agree more on the use of "overture pla filament" That's the best PLA I've worked with.

[@maxcactus7]

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!

[@txikitofandango]

I like the aesthetic of the layer lines. It's honest

[@HeinrichsMade]

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

[@FelipeBittencourt999]

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]

I look forward to that too! Lol

[@HeinrichsMade]

🤣🤣🤣🤣

[@SC-nw7nj]

As an electrician this is awesome! Would love to have a set of those for sure. Awesome job. Thank you.

[@HeinrichsMade]

I love electricians 👍. That's who I get my copper to melt from 😎

[@wantafastz28]

Finally some more copper content!

[@HeinrichsMade]

Yeah!! I love copper too. It pours so smooth when Casting

[@mmnyako]

Man... it is so satisfying watching this. THANKS FOR SHARING!

[@TracyTheSilverSurfer]

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.

[@ziocrielo6148]

Copper is my favorite metal

[@HeinrichsMade]

I agree 👍. I melt mostly aluminum but when copper is definitely my favorite. It pours so smooth and looks awesome 😎

[@ziocrielo6148]

@@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]

@@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.

[@swifty2844]

Your sandcasts are the best I've seen 👍

[@120Livi]

I really like how you can see the 3d print texture

[@Nobe_Oddy]

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 :)

[@williamlanphar630]

They came out with amazing detail !

[@HeinrichsMade]

Detail is in the coating 👍

[@patrickschoenpflug]

Copper I love copper more videos please on melting Copper 👍🏻😊😁

[@alanbockelman]

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]

Well, that wasn't lost PLA casting.

[@misterhat5823]

Won't copper do a great job conducting heat into your countertop?

[@Smorb42]

yes. I am not sure how they overlooked that.

[@Smorb42]

@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]

You could upgrade your artillery SWX2 by casting metal feeder gears and the stuff in the extruder i forgot what its called

[@jerryjohnsonii4181]

Very Cool Trivets !!!!!!!!!!!!

[@jeffreyhallam5517]

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.

[@TomsBackyardWorkshop]

You should make your sprew thicker to avoid that shrinkage.

[@HeinrichsMade]

Do you think a thicker sprue would help there? I haven't had a problem with smaller sprues

[@diyfireking]

Your ideas & execution always impress, love all your projects. 👍👍

[@lundgrenbronzestudios]

Always so precise and clean. Very nice work.

[@thunderbasilisk1352]

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.

[@TheJCJexe]

Wow those castings came out beautiful. Nice!

[@HeinrichsMade]

Copper Casting is cool 😎

[@andrejohnson6731]

Can you make a clock movement? Or an oversized Swiss watch movement? That would be epic!!!

[@canadiangemstones7636]

Beautiful work!

[@fundicionguerra3991]

Excellent work!, thanks for sharing.

[@barrydheil]

Now waiting for the silver version, for extra fast heat dissipation.

[@JanTuts]

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?

[@FarmsteadForge]

Wow, high tech, very cool!

[@ClayBo21879]

Those are lovely. I could see them with a mirror like finish as well. Do you sell them?

[@elmejormirador1]

Awesome job dude ! 👍🏻

[@brikkabrock]

How many uses of the petrobond do you usually get before needing to replace it?

[@superfluousification]

What's the purpose of a draft angle when using petrobond? A draft angle is for removing from a solid reusable mold.

[@loyd5074]

Very nice

[@HeinrichsMade]

I 👍

[@bulldaagg]

Can you recommend good beginner tutorial info. your affil links are also very helpful in creating a start up list

[@thechumpsbeendumped.7797]

You don’t show the use of any flux or removal of dross. Was it not needed or just not shown?

[@HeinrichsMade]

I don't use flux most of the time either. I have used it when melting brass.

[@davidanalyst671]

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!!!!!

[@WaddedBliss]

I'd have been tempted to leave them to get a patina.

[@BoatNectar]

Other than a platinum-rhodium alloy I literally think you could not have picked a worse material for preventing heat transfer to the tables

[@XXCoder]

You need to lower bit more for first layer :D 0:51 clearly shows that its not smooshed enough

[@noahc6544]

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

[@wikusdp]

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.

[@corneliushuber2716]

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.

[@partsdave8943]

Why not print this upside down as one piece, instead of making removable risers?

[@tylerufen]

that's going to suck the heat right out of your pan, going to be untouchable for a while after anything goes onto it...

[@Pineapplepen_2]

Everything is cool, but it is not clear why the triangular steps on one side of the gear?

[@littlehills739]

nice build but why multi part set up?

[@Eisenmann86]

Thank you interesting video

[@Alex-theez]

Does the protecta Clear leave a matte/ satin finish? or a clear gloss? and is it sticky to touch after its dried?

[@robinson-foundry]

It leaves a slightly shiny finish. Its hard to tell its even there.

[@Alex-theez]

@@robinson-foundry thank you! I need some for my custom lightsabers that have copper accents and parts

[@Alex-theez]

@@robinson-foundry thank you! I need some for my custom lightsabers that have copper accents and parts

[@fgdsfga]

What kind of crucibles are you using?

[@michaelsprout8762]

Cool 😎

[@somecarperson]

So glowing kunai

[@Lunarion31]

Yess more copper :D

[@HeinrichsMade]

Yeah!!!! I love watching melted copper. I pour mostly aluminum, but have done a few copper projects.

[@chuckufarley1343]

Is petrobond reusable?

[@HeinrichsMade]

Yes, you just need to regenerate it with oil. I use greensand which is regenerated by using water.

[@Vikingwerk]

Fancy!

[@nixie2462]

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]

What would be a wooden trivet's conductivity? I suspect it would be better than all of the above.

[@garychaiken808]

😊 good job

[@ebaymagot]

where do you get your Petra bond?

[@tahahaider5836]

Can someone tell me what would happen if we melted metals like aluminium,zinc, copper,silver,brass together?

[@canadiangemstones7636]

You would form an alloy.

[@PaperMakersAdeludedbroad]

Google is a thing, sweetheart...

[@tahahaider5836]

@@PaperMakersAdeludedbroad bro i know that obv 😒 but it wont show me specific results. I don't think there is a video of that on KZbin.

[@tahahaider5836]

@@canadiangemstones7636 but what kind of alloy? How strong would it be? What would it's colour be like?

[@HeinrichsMade]

It would make an alloy. Different percentages of each metal would determine it's strength and color.

[@howyoudurrinhunneh]

I want a set :)

[@HeinrichsMade]

Me too 👍

[@iceplanetchris2052]

cool video

[@kiwishamoo6494]

Great way to make burn marks on your wooden benchtops 🤣🤣

[@HeinrichsMade]

Hahah my bench top is full of burn marks too.

[@orange010]

💖💖💖

[@hunterrobinson3243]

nice

[@EnglishCharlie]

This is an excellent project. Very skillful. I'd love to do a collaboration.

[@FiglioBastardo]

Phew so many armchair critics. These look great! Well done.

[@haugstule]

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

[@dk7863]

👍

[@__8120]

"just look at these layer lines" *as the camera zooms in on top fill*

[@Cypher791]

⚙️😮

[@rachelg552353]

You have a twin?!

[@ashleys3dprintshop]

I was today's year old when I found out what a trivet was.

[@Arceus3251]

Ah. My favorite game: "Will it incinerate"

[@Linus-qe8po]

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.

[@macedindu829]

If you were assuming people generally know what trivets are, I suspect you were incorrect in that assumption.

[@Horus_the_Avenger]

Just realized you sound a damn lot like ClownPierce

[@delliardo583]

Oh, I normaly call those "things to put hot stuff on so you don't burn the god damned counter"

[@Horus_the_Avenger]

🤔

[@jacklinks9621]

bro made Dwemer cogs

[@axeldejesus2060]

Hello Seth. My question is not related to this video. It is about this video you posted 6 years ago. kzbin.info/www/bejne/bpeXdmWFed-brtk I would like to know if the files are still available and the thickness off the material you used, please. Thanks

[@robinson-foundry]

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]

it looks like you just stole it off of someones wind turbine

[@Theonekhaled1]

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]

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

[@warrior4christ777]

Most expensive pot coasters ever

[@davidanalyst671]

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?

[@Bassking012]

Hi im first

[@bloognoo]

Hi first! I'm Dad

[@carrotisthebestgaminggecko5168]

1050th

[@cmoonshinez]

🔥🪙make sure no fingerprints are left in the sand design.. 🪙🔥