Casting a Bronze DAGGER│3d Print to Sand Casting│Knife Making

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Welcome to Robinson Foundry. In this video I will be using 3d printed patterns to cast a bronze knife/dagger. I modeled the dagger in fusion 360 and then printed the patterns on my Creality CR10 and Elegoo Saturn 3d printers. I then made a sand mold using petrobond sand. I melted bronze in my homemade furnace until it reached a temperature of about 2200 degrees Fahrenheit or 1200 degrees Celsius and then poured it into the mold. I finished the dagger by wrapping the handle in copper wire. I did not come up with the design for this dagger. I was impressed by an image I found online and tried to recreate it.
The dagger's overall length is 11”/280mm and it weighs 9oz/256 grams.
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Music: www.davidcuttermusic.com / @dcuttermusic

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Опубликовано:

5 мар 2021

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Комментарии : 186

@DominusFeles 3 года назад

When printing something in two parts and then attaching the parts to each other I like modelling in for example half a sphere in one and a matching indent in the other for easier alignment 🙂 Or two holes + a metal pin or something etc. Makes life much simpler than trying to match two flat surfaces precisely 😊

@JC-XL 2 года назад

Great idea

@random-kc8gx 2 года назад

True that, thats how foundries do it!

@BabyDontHearnMeNoMore Год назад

Seth’s veins look so fake because they’re like half the size of his fingers(in diameter).

@iaincampbell4422 Месяц назад

Yes, common approach. Called registration marks. Remember to put an offset face on the registration marks so your parts fit together though. 0.1 to 0.2mm tends to work well for me!

@petehoover6616 3 года назад

Cool to watch someone who actually seems set up to do professional sand casting!

@eliwilson1146 2 месяца назад

I'm new. Is this a big investment for the furnace & sand?

@watermelonhelmet6854 2 года назад

Resin printing tip: Once you've cleaned your print in IPA, if you soak it in hot water for about 20-30 seconds, you can just pull the supports off without needing clippers (they'll practically fall off under their own weight), and anything that's left behind can be easily scraped off with a fingernail

@joshcarter-com 6 месяцев назад

I haven’t heard that tip before; thank you!

@TurdFergusen 21 день назад

Hi im from the future, thanks… this works with lost wax type resins i imagine

@wolvar6933 Год назад

next gen nano-tech liquid blades. sounds like a cool idea for a starwars item or something.

@andrew-know Год назад

If the apocalypse ever comes, i'm living with this man

@fatherofkayos 3 года назад

Very low volume background music, wonderfully detailed narration, great resolution video; all that and stuff I love watching: sand casting and knife making. How could I NOT subscribe?! Thanks for sharing your passion with us 😁👍

@williamhodges7957 Год назад

You give me how it's made vibes

@tracybowling97 2 года назад

I really like it. Copper is my fav metal. I love it's properties. I'm glad you added it to the bronze.

@itanc1 2 года назад

nice work dood! casting daggers today and i think i will use copper wirte today! cheers fella

@walkthroughmania1 Год назад

Very nice color and the wire wrap looks amazing. Let's go hunting.

@Scyth3934 9 месяцев назад

Seeing the wire-wrapped handle literally made my jaw drop. Stunning

@BR5494 Год назад

A.very.pertty.knife.and.great Workmanship..10..BRAVO

@makkon06 Год назад

I keep coming back to this video. it's a very lovely knife

@Handyman247llc Год назад

Very cool Dagger and creative.

@MoonMoon-gu2ge Год назад

Absolutely beautiful as a display piece or a letter open, as a functional tool or weapon it will suffer a bit and require more maintenance.

@calculatedsurvival Год назад

That hot glue trick was pretty good!

@DKeithSwinney Год назад

Consider using slightly smaller diameter wire and twisting two strands together before wrapping. Cool look and gives a bit better grip! Love the video! Great info, really enjoyed!

@airtow6766 Год назад

Your skills at hand filing and working the metals you use are really amazing and the end product is almost shocking to see. Beautiful work!

@DragonAtelier 3 года назад

Sand Casting at it finest! Great result and detailing the finished cast. Well done! Great idea of the hot glue on the top of the blade.

@robinson-foundry 3 года назад

Thank you! I really didn’t want to walk into the tip as it was clamped in the vise.

@BabyDontHearnMeNoMore Год назад

@@robinson-foundry why are your veins so big wtf 9:25

@davidcahan 2 года назад

Absolutely my favorite project of yours that I've watched so far (with the small shell being a close second). This thing is BEAUTIFUL and I love the wire wrapped handle. Gorgeous!

@rachelg552353 3 года назад

I enjoyed the watch. Thanks for explaining what you do!

@elsden722 2 года назад

That is absolutely beautiful

@spiff2268 Год назад

Looks awesome! Of course it would’ve sucked if you went to wrap the handle and found out you didn’t have enough wire.

@ryanvannorman4283 2 года назад

Cool dagger you did really good

@Chevy3o3 Год назад

Loved this !

@adriennefraschetta5391 3 года назад

The dagger turned out nice looking. I liked your idea of soldering the ends of the handle to the knife.

@michbushi Год назад

That's pretty cool! I'd however put the holes for soldering the copper wrap ends on the edges; that would make them disappear!

@tjpprojects7192 2 года назад

I now know what else I need in my collection.

@wesallen3926 Год назад

Beautiful work, Just beautiful.

@Thenakedforager 2 года назад

This post was a joy to watch and very educational… I hadn’t heard of resin 3D printing before now 😳

@pablocervantes5948 Год назад

I'll definitely buy one of these as well

@onefish26 Год назад

In a thousand years, archaeologists will find this and wonder how such a primitive civilization made such precision work.

@andrewnelson4496 Год назад

Brother, the hot glue on the tip of the knife is genius! I have injured myself too many times by sanding too close to the tip and then stabbing my finger/hand!!

@milanradak269 Год назад

Interesting idea for a dagger 🗡. I like the design and the copper wire handle wrap. Excellent job. Just subscribed. Thanks for the video

@benjamindavidovichwaals2899 2 года назад

it looks majestic

@ScrapRushUK 2 года назад

Hi new sub in the uk 🇬🇧 here. This came out looking amazing, when you have all the right equipment just shows what you can do. I am going to try a more amateur version of this as unfortunately don’t have a 3D printer. Love the home made furnace as well, I have a beer barrel in my garden and you have now inspired me to make my own. I was going to get a 10kg devil forge but can’t quite afford it just yet.

@flo5616 Год назад

This dagger looks incredible! 😍

@dannpurvis 2 месяца назад

Very well done. Thank you.

3 года назад

great video as usual, I love your way of filming.

@robinson-foundry 3 года назад

Thank you!

@gordoboy18 Год назад

You’re awesome dude, keep it up

@briangilbert9077 Год назад

😳🤯 Sweet! Great work bro. New subscriber here because I was impressed with a project you did that I watched earlier today. You making it look too easy

@GaryMcKinnonUFO 6 месяцев назад

Man that is really lovely, very cool indeed.

@VTPSTTU 2 года назад

That's beautiful.

@ReasonAboveEverything 3 года назад

I most certainly enjoyed watching.

@chriswenkle2635 Год назад

I don't work in metal, but I can certainly appreciate your craftsmanship. Nicely done!

@frikkiesmit2695 3 года назад

Also loved the copper wrapped handle

@samuelgordon1820 Год назад

Excellent.

@keithverner8599 Год назад

I like the dagger if you do another video try paracord on handle. 👍

@Hmuda Год назад

Not gonna lie...those little nodules left over from the support material looked kinda neat, and I somewhat wished you'd keep them. :)

@icetiger-4760 2 года назад

So that’s how they made the centurion’s boot knife… I want one now!~

@kabobawsome 2 года назад

Actually, a real knife would have been cast much thicker, then hammered down to a similar thickness to harden the bronze. Otherwise, bronze doesn't hold a cutting edge too well. A dagger for decoration or display like this works fine with just straight casting, but things like extra hardening processes and difficulty of obtaining tin were big reasons why eventually everyone just started using iron when they had the heating technology to do so.

@ZyKnife 3 года назад

That looks realy beautiful 👍

@jameshickman5299 3 года назад

That is a beautiful, leaf-shaped blade. It’s been fascinating to watch your castings grow in sophistication as your technique has improved. Regarding the sharpening of the blade, I have read that some cultures hammered the edges on a metal post, after the initial sharpening. This compressed the metal along the outer 1/4 inch or so. This made the edge harder and finer, and left a characteristic ledge around the blade. The appearance is hard to explain. I’m sorry I can’t say it more clearly. Again, it’s very nice and innovative work. Just out of curiosity, how do your neighbors feel about your foundry? Would you care to sell a bare, rough finished blade blank? Let’s be careful out there.

@PalpatineMartini Год назад

I got lost in your voice,then I saw the dagger and was like “Where the frick did that come from?!” lol

@wolfcloud8735 2 года назад

Very cool it just seemed like a lot of work

@hulguiniiiadolfo Год назад

this dagger was perfect for the aswang here in the Philippines 🇵🇭🇵🇭🇵🇭...

@benjaminharris7091 11 месяцев назад

Great work! Looks great and I think you did an excellent job with the copper wrapping!

@Serbianguy432 3 года назад

Great job - as usual. Your videos never disappoint. From informative content to final editing, your audience is always gaining insight, inspiration, and knowledge. Bravo!

@goldfreakminer2826 3 года назад

Very cool piece

@ART-jl7yw 3 года назад

Awesome

@tophatvideosinc.5858 2 года назад

If you think about it, all living things derived from the primordial soup. You. Are. Liquid.

@g-dub1553 2 года назад

That is SHARP! and I don't mean the edge

@1967250s 2 года назад

Love the knife, though I would have added a filler on the handle sides, probably wood, so it would have a better grip.

@JJAB91 Год назад

I mean this dagger is purely decorative, you wouldn't do this method at all if you wanted a functional weapon.

@GForge1967 3 года назад

Always producing awesome work mate

@Fire_And_Iron 2 года назад

That was awesome.

@Zarumee 2 года назад

Beautiful piece! Steel is obviously better for a "real" dagger, but bronze just looks so damn good, I love it. That dark, near-golden colour looks amazing.

@Tyranitar-hd6hi Год назад

Bronze age daggers were the best in their day

@mike5177 2 года назад

That is badass! I want that!

@lnk3503 3 года назад

love to see with silver wire.

@rh5971 3 года назад

Super nice!

@jamessrpwoc519 2 года назад

I absolutely love the look of the dagger. My questions are: 1] How is the weight ? 2] Where is the balance ? 3] Have you tried throwing it ? Seriously though the design is sick

@shadesilverwing0 2 года назад

Love the design, I'd gladly buy it.

@silentferret1049 2 года назад

Look nice but don't confuse it for a bronze blade made for any form of cutting. Bronze has to be work hardened to not bend as much and hold an edge. This is all decoration. Now if he made the edges a lot thicker on the dagger and hammered them into a final shape and then finished the edge with a bit of filing, then the casting could have been used more like a knife.

@JJAB91 Год назад

@@silentferret1049 I would still worry about aspects like grain size and temper. Casting generally never was done for hand weapons for many reasons after all.

@Kart0nas 3 года назад

wow, great video! there is a nice way to straighten out wires with a drill.

@mikeprejean102 4 месяца назад

Nice. Work

@jdsmith2954 3 года назад

Really nice!

@orinsarabia417 3 года назад

beautiful piece! I like the way you do your videos with explanations of every step that's why I subscribed and tickled the bell. Do you sell your work?

@isohloss 2 года назад

Awesome. Amazing hand made

@w4rr. 2 года назад

if only bronze was as strong as steel

@galacticcustoms3919 Год назад

Why not just leave the print in there with a small hole/tunnel for the metal to flow though, And the metal is hot enough to burn out or absorb the pla . is there any reason this would not work?

@2danshepherd 3 года назад

Really cool!

@Trekeyus Год назад

Don't you have to cure resin with UV in addition to washing it off?

@alexanderjameshamilton4255 2 года назад

very much enjoying your videos, thank you well appreciated. I would like to try and cast this dagger have you shared the files for this I wonder....

@savagesollero32 3 года назад

Fantastico🔥

@glenn_r_frank_author 2 года назад

Nice work on the design and casting of the knife. Fascinating to watch. I loved how the blade turned out, but I have to say I think a nicer handle material, or maybe doing a more interesting pattern in the wire-wrap might have made it nicer in my opinion. But still.. love the design and the look of the finished blade.

@Dave-wv9vc 3 года назад

Looks great, as always : ) . Have you ever cast anything with Nickel alloys?

@SantoMuerte187 3 года назад

I hope to see a bronze tomahawk !!! I have several of you'd like to borrow one for a mold

@masterflickmusic8010 Год назад

impressed

@leonpolev 2 года назад

Awesome job, but I must say - without a proper bolster this knife can cut your hand as easily as it can cut anything else.

@rockelec 3 года назад

That turned out fantastic! Nice job. What is the overall length and thickness?

@dnukem1722 2 года назад

That’s awesome I want to make one

@projectdirtbikes Год назад

Dope!

@paltheon232 2 года назад

Would love to buy one of these blades from you!

@mjcvidmaker 2 года назад

Wow that dagger design is just incredible, is there a way i can get a template of that design, id love to make a steel version of it 😁🙏🏻

@spyersecol0013 2 года назад

Beautiful'

@themikeflanders3470 Год назад

One of my favorite projects that you created. Are you willing to share your file for the dagger? Thx Mike

@bendayho3074 2 года назад

I don't have access to a 3D printer, does anyone know where I could purchase 3D molds like in this video? I like the idea of the two piece mold. Great video!

@airsofter9266 Год назад

Very well done. Should have work hardened the edge before sharpening though.

@sojanarne Год назад

So you decided to forego the work hardening stage?

@Acacia197 Год назад

love the design and video, you make it looks easy. I'm tryin to figure out Fusion 360 myself. Any chance of getting that file to use as a template to start from?