Cloning Vintage Knobs

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Using black casting resin, I replicated a vintage knob to replace a missing one for a recent gadget purchase. And while I was at it, I made a mold of some other antique knobs for future projects.
PATREON EXCLUSIVES
If you'd like to help support my channel and get access to exclusive content, visit / wesleytreat .
FOLLOW ME
▶ Instagram: / wesley_treat
▶ Twitter: / wesleytreat
▶ Amazon: amazon.com/shop/wesleytreat
▶ Etsy: satelluxestudio.etsy.com
TOOLS & MATERIALS FEATURED IN THIS VIDEO
▶ Smooth-On Mold Star 15 Slow Silicone Mold Rubber (Trial Unit): amzn.to/2T6zu8J
▶ Smooth-On Smooth Cast Onyx Fast Black Casting Resin (Trial Unit): amzn.to/2MlTCRC
▶ Mann Ease Release 200 Mold Release Spray: amzn.to/2IdzJwV
▶ FastCap 2P-10 CA Glue (Medium Viscosity): amzn.to/2FGf9D3
▶ General Tools Automatic Center Punch: amzn.to/2htnN9B
FAQs
▶ Why didn't I degas the silicone? Mold Star is a low-viscosity silicone that doesn't require degassing. I've never had a problem with bubbles when using it. Any bubbles find their way to the top where I have fun popping them, though they generally pop themselves.
▶ Why didn't I just 3D print the knobs? Even if I had a 3D printer, which I don't, I still would have molded the originals because I wanted identical copies (wear and all), not facsimiles with lines in them that I'd have to spend a bunch of time sanding and refinishing.
▶ Why didn't I make a two-part mold? I covered that at 3:54. You must have skipped ahead. Also, it isn't a matter of just flipping the mold and pouring silicone on the other side. You also have to consider the sprues necessary to allow pouring the resin into the resulting mold. And because the knobs are oddly shaped, you may also have to add sprues for venting undercuts so air doesn't get trapped. Then, after demolding, you have to cut off the resulting sprues, file down the flashing and polish them out to get the surface finish back. And, really, there's not much surface area on any of the knobs to accommodate decently sized sprues to begin with. In the end, it's easier just to use a simple, one-sided block mold and drill holes in the bottoms of the knobs.
OTHER NOTES
▶ For more information on how to create molds, check out some of Smooth-On's tutorials at www.smooth-on.com/howto/basic.... They cover more detail than I did here.
▶ I actually used the slow-curing version of Smooth-On's Onyx resin in this video, but it doesn't appear to be available on Amazon, so I linked to the fast version above. You can find the slow version at www.smooth-on.com/products/sm.... Either will work for this purpose. They just have different working times.
SEE ALSO
▶ Tim Sway: / timsway
▶ • Sigmund The Sea Monste...

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Опубликовано:

17 янв 2019

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Комментарии : 1 тыс.

@andrewrobotbuilder 5 лет назад

I absolutely love how the silicon picks up the tiny surface scratches and makes the new part look just as worn as the originals - a matching set!

@MrBriankerri Год назад

5:41

@MrBriankerri Год назад

Need to make a vintage lawnmower gear shift handle. I’m going to try this method .

@danielrodriguez950 5 лет назад

Not sure why this was in my recommended but I'm not complaining

@ilovebeinagirl 5 лет назад

Me either and me either.

@AalbertTorsius 5 лет назад

Not complaining, just subscribing. Must've been that restoration of an old oil dispenser and a car jack I watched. *Edit* The first one was this one: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-R5r8_79x3Z0.html and the second one was on the same channel.

@Rompler_Rocco 5 лет назад

Wesley Treat, sir, you are exactly what makes RU-vid so damn cool.

@MrTechnogoodie 5 лет назад

Why am I still paying for cable TV? The smartest, most interesting people are on RU-vid.

@SaitoGray 5 лет назад

I was that smug ass who thought he could tell which one it was and i was so wrong. That really freaking cool, i need to learn how to cast thing, that seem fun.

@blingblong1 5 лет назад

you can tell? no you cant.

@BigHeretic 5 лет назад

*SaitoGray* I could tell that it was the one underneath ! - no I couldn't, I'm just an ass.

@michaelkessler3813 5 лет назад

i was wondering why the one underneath had a less scratchy look to it

@Jsjeuducjejwjsif 5 лет назад

@@michaelkessler3813 no you weren't

@michaelkessler3813 5 лет назад

Your Grandma oh you false mind readers

@GeekDetour 5 лет назад

I have no idea how I ended up watching this... BUT I LOVED IT! Awesome :)

@glasslinger 5 лет назад

You can stick the knobs down using double sided carpet tape and the silicone won't get under them. Also, thanks for keeping the video ad free! I would get the tube tester working myself!

@gazookerman1328 5 лет назад

That must be a really satisfying to push that new knob down on that old shaft and find that something you just made fits perfectly...Great video!

@RuneTheFirst 5 лет назад

The spring-loaded knob for D-shaft controls was a popular design in the 30s and 40s. Just about every manufacturer used them, especially RCA. The design was for Bakelite because of its unique properties. It would not do well with setscrews unless the threaded element was a metal insert. It just stripped too easily. But it was quite stable otherwise. Hence the design. It would hold well. Manufacturers had to change designs after the switch to injection-molded plastic. If put under the stress of a spring for long terms they tended to crack or split. So they had to be re-designed. Some used sheet steel inserts that contained their own spring pressure. Setscrews made a comeback (they had been used on the wooden knobs of the 20s with threaded inserts.) Thanks for showing an easy way to copy these things. Many don't know this can be done.

@MIgardener 5 лет назад

This was so cool! I can't believe how exact it looked.

@teenapittman4241 4 года назад

I started out looking for 3D printed knobs but this video seems the best way. It uses a common sense approach and doesn't make it harder than it has to be. I am restoring a 40's-50'ish stove and one of the knobs was cracked in half and the rest of them have stress cracks and won't take very much use before they crack too. The knobs are odd shaped, thin oval with a point on the side at the off spot. I will try this. I loved HR Pufnstuf and Sigmund. I had a redheaded, witchnosed neighbor whose nickname was Witchiepoo, as an adult in the 90's. Thanks for everything.

@yvestorquest5760 5 лет назад

It;s always a pleasure to watch a craftsmen work.

@Dardrum 5 лет назад

I usually never get impressed, but I am very impressed, nice work Wesley

@kencohagen4967 5 лет назад

My father in law made several knobs for antique radios. This is one good method. He also built his own injection molding machine. He machined his own does, and made an injector out of a screw type hydraulic ram from an air stair from an aircraft wrecking yard. He also cast knobs like these. Cool stuff!

@JohnSmith-eo5sp 5 лет назад

Something about the design of these knob-heads makes me think they are of German manufacture. When was this Tube-Tester built?

@frankintegrity706 5 лет назад

content like this on the tube is the reason I don't watch TV.I will probably never need to cast and replicate vintage electronic equipment knobs.But still enjoyed the skills involved.:)

@jomercer21113 7 месяцев назад

Those Philcos are some over-engineered knobs! I cast and mold lots of details and knobs for vintage and antique sewing machines and furniture. I love Smooth-On products and their customer/technical service is unsurpassed.

@Pillowcase 5 лет назад

that turned out way better than i would have expected.

@TheMeta6 5 лет назад

Wesley you teach me so many useful techniques that I'll never use.... thank you!

@thinkingimpaired5663 5 лет назад

It's always nice to view the work of a craftsman.

@jaimeherrera2510 5 лет назад

I can't say nothing, but : Wonderful!!!!

@CamTarn 5 лет назад

Those knobs are little works of art deco loveliness :)

@JohnSmith-eo5sp 5 лет назад

Could the the design of these knob-heads be of German manufacture?

@emotisean 5 лет назад

Excellent video! ive been tired of the same old maker videos, with the music and the editing always the similar. You get a nice a up close feel, with no music, and you are genuine with your commentary! Love it! Also I too am a fan of old electronics and especially knobs

@curtisowens6413 5 лет назад

What he said^^^^^

@michael931 5 лет назад

Yeah, the restoration videos are the worst. No narration, fast forward, lots of rapid hammer tapping and wire brushing.. Only thing worse is the robot narrator videos.

@BluntlyBlunt_ 2 года назад

Facts. 💯

@perprzem 5 лет назад

Positive crazy hobby and very good way to resolve missing knob issue... man... you`re craziest hobbyst that I`ve ever seen... peace man, do what you love

@thomaschristopherwhite9043 5 лет назад

I'm a 26 year old graphic designer who is surrounded by the best technology this generation has to offer... why am I in love with old, obsolete stuff?

@timsway 5 лет назад

Man that Tim Sway fella is handsome. Great video, btw. Very well put together. Thanks!!

@GrazMakes 5 лет назад

yeah the guy he circled is very handsome indeed ;-)

@lomparti 5 лет назад

That is amazing. Im thoroughly impressed!

@InformationIsTheEdge 5 лет назад

The process was cool but the presentation was a LOT cooler! Thanks for making that so fun!

@truckywuckyuwu 6 месяцев назад

It's amazing that we have the technology to do all these sorts of repairs these days. So easily that almost anyone can do this stuff at home. It's also sad that barely anyone actually repairs and restores things these days. I still have stuff from the 50's that works great with just a few capacitors being replaced. Yet my new computer monitor had glued in LED's that burnt out after 4 months of use and I can't replace them.

@____________________________.x 5 лет назад

I was going to suggest adding a layer of polish first, but looking at the result I reckon they look better with the scratches being reproduced. I hope you'll stick some of these on eBay, I'm sure some people would love a retro knob for their builds.

@xoxo-yu1gp 5 лет назад

wesley you are one absolute spiffing chap just found your channel and I'm totally smitten you are an absolute natural

@wynncull9415 5 лет назад

What a totally informational and entertaining man. I am impressed by his inventiveness.

@johnlake6321 2 года назад

Fantastic!!! I dabble in ancient electronics too. Now I know how to deal with missing knobs...so long as I have a sample.

@dfbess 5 лет назад

never seen a video of yours before, I enjoyed more than I thought I would ..thank you. Also I did not skip :)

@pinkponyofprey1965 5 лет назад

haha yeah, same here! I even subscribed! I might even learn a thing or two plus a good laugh hasn't killed ... that many people ...

@t0nito 5 лет назад

Same here!

@smoothon 5 лет назад

Great video! Those look fantastic!

@jerryw2314 5 лет назад

Interesting video, thanks. My brother in law does pretty much the same thing, making knobs and parts. Never watched him work on his projects even though he has been doing it for over 30 years. Again. Thanks for posting this video.

@southtown2366 5 лет назад

First video ive seen from you! MAN I thought I was the only one that had a love for Restoring every nut bolt and knob! THANK YOU!

@Jer_Schmidt 5 лет назад

Awesome video! I'm really impressed with the result!

@SuperFredAZ 5 лет назад

Very nice. It's hard to believe how nice these parts come out. I was going to comment that you should 3d print the knobs but this technique is much better.

@joekahno 5 лет назад

Fan-Freakin'-Tastic!!! I'm in the habit of telling my techie friends that the most wonderful thing I've seen over the course of my life, (60+ yrs.), are the advances in material technology and techniques. Then I more or less trip over a video that shows me I hardly have a hint of a clue about all the wonderful possibilities. Thanks for knocking some of the hard crust off my brain and letting it roam in new directions. :-)

@PierreaSweedieCat 5 лет назад

Awesome! Thanks for the jokes, singing, learning! And saving that old bit of kit.

@BurtonsAttic 5 лет назад

Nice work! Always liked retro knobs like that! I need one of them for something, just don't know what yet!

@karlfimm 5 лет назад

This looks like a perfect job for 3d printing. Not the knobs themselves - those copies are far better than that - but for the knob fixing. Drill out a larger hole in the knob (say 10mm rather than 6mm) and print a small cylindrical part that has whichever complex shaped hole you want. Glue B into A.

@shanerussell7335 5 лет назад

Karl Fimm or 3D print a post to put into the mold to create the proper hole.

@xConundrumx 5 лет назад

@@shanerussell7335 ehm ... and how do you get the post out again once the resin has cured :) It won't be like the flexible liquid silicone mold and will totally be 'glued' in there.

@shanerussell7335 5 лет назад

@@xConundrumx True. A really complicated post would be stuck, but a simple D-shape would come out easily. Put a thin coat of vaseline on it before pouring the epoxy.

@xConundrumx 5 лет назад

@@shanerussell7335 ah that's a really clever idea! Thanks, should make a note of that. Mind you with the little ridges from the layering you probably want to give it a good sanding too I would guess. So the surface is smooth that is.

@SavageSmithy 5 лет назад

@@xConundrumx use pva filament and simply soak your cast knob in warm water to dissolve it

@fmh357 5 лет назад

That is so clever. Especially sanding down the wooden dowel and installing it for the flat. I learned a few things today. Thank you.

@ericmowrey6872 5 лет назад

I'm 65. I remember as a kid in Milwaukee many stores having big tube testing machines and new vacuum tubes in little cardboard boxes. You could just show up with a suspect tube and plug it in to check. The machine would run current through it and immediately tell you if it was alive or shot. I also remember TV repairmen who'd show up at your house with pretty much all the tubes it takes to get your TV up and running again. TV repair service is as dead a trade as traveling sidewalk dentists. The Brits calls tubes "valves", which is probably a more technical description. Apparently it's now Russia who makes the best tubes in the world. I think America hasn't made tubes on an industrial level since the 70's.

@ScottDLR 5 лет назад

You've got a new fan here. Can't wat to binge watch.

@gunnarwallenberg9817 5 лет назад

New Wesley video! Whohoo!

@briankays2635 9 месяцев назад

Quite possibly the greatest RU-vid video I've ever watched. I stopped to think for a few seconds to make sure that statement was correct but, yeah, greatest RU-vid video I've ever seen. And I've seen a bunch.

@bikecopjoe 5 лет назад

Thank you for showing this. I know now how to clone knobs for my vintage RCA radio and record player. You mentioned you had a "collection.' Please take a couple of minutes and show them. I would love to see what you have done and what you have. Again, Thanks.

@jamesbaldwin9969 5 лет назад

I've got an RCA tombstone radio. It was missing the guts and sitting at the curb in great shape. I snatched it up and put my modern stereo in it. It's so cool.

@Chef_PC 5 лет назад

Well, thanks for this video. Now I have a new channel subscribed and a host of new videos to watch. Oh, and a hankering to silicon mold anything and everything in my house.

@AalbertTorsius 5 лет назад

_Everything?_

@Chiefbobaloo 5 лет назад

I restore older broadcast mixers, this is just what I needed to see. Thanks!

@wrapdump 5 лет назад

This was a YT recommendation when watching the intro for Swat Kats, which is a 90s cartoon about two cats that fly a fighter jet to fight crime. YT knows me too well. Subbed.

@TheRadioShop 5 лет назад

As a vintage collector and restorer myself, I find this video to be excellent! Great job and thanks for showing this. Liked and subscribed.

@JohnSmith-eo5sp 5 лет назад

3:23 Something about the design of these knob-heads makes me think they are of German manufacture.

@HandToolRescue 5 лет назад

Awesome! Well done.

@missyd0g2 5 лет назад

Some of the old devices have amazing designs.

@maxmaxwell1905 5 лет назад

Sigmund and the Sea Monsters? That's so like last century! Great video, another skill I can file away in the dark recesses of my brain for that "just in case I ever need to..." time.

@forthrightnight 5 лет назад

Your video showed up in the recommended videos after Adam Savage's armor build. Frikkin' amazing!! I had no idea makers took things to this level. Liked and subscribed. Cheers from B.C.

@JohnnyRottenest 5 лет назад

I really look forward to WT videos.

@markprentice1961 5 лет назад

I could watch this all day!

@riteandleft 2 года назад

Excellent informative video with a great sense of humour too. Top bloke!

@catsupchutney 5 лет назад

+ 1 for Sigmund the Sea Monster reference.

@keithjackson1180 5 лет назад

There were probably only a handful of people who understood it.

@MakeSomething 5 лет назад

Wait a second, that wasn't Tim! 😄 Totally doing this for my guitar restore! Great vid!

@WesleyTreat 5 лет назад

I think I know what my best friend looks like, David. 😜

@paulanthonyjohns 5 лет назад

this guy is freaking hilarious and an excellent presenter.

@richardgoebel226 5 лет назад

That is some very much needed information. Lots of vintage electronic equipment out there needing replacement knobs. Thanks for sharing!

@chadseberg 5 лет назад

I love the word "minutia".

@MrRangiku01 5 лет назад

... You, my trollish friend, have just gained a new sub👍😂😂😂

@TheWeirdSide1 5 лет назад

Wow that's amazing! Thanks for teaching us knuckleheads something today!

@ejkoford5303 5 лет назад

Dude works with resin and drill press and has the most perfect nails I've ever seen. Hows that possible?

@AddFilmmedia 5 лет назад

Oh, morse code at the end! ❤ .- - - = wt (nerdy) , old radio operator...

@WesleyTreat 5 лет назад

You're the first person to notice!

@RobMacKendrick 5 лет назад

QSL that.

@mbaker335 5 лет назад

Problem is I thought the T was a bit short. So almost WE. Was it done by hand or with a keyer?

@AddFilmmedia 5 лет назад

@@mbaker335 Probably translation software, don't you think? QTH? QTH Lund, Sweden.

@koningbolo4700 5 лет назад

Spraying a bit of rubbing alcohol on the surface pops all the bubbles instantly...

@Texaca 5 лет назад

This sounds interesting -- what you are saying, coat the surface of the knobs with rubbing alcohol? What does that do?

@ncdave4life 5 лет назад

@@Texaca, you didn't watch the video, did you?

@kuzumisama 5 лет назад

But then you couldn't make the fun popping noise... :(

@drslump9314 5 лет назад

@@Texaca i think he is talking about the bubbles on the green silicone mold. The ones one the knobs are cool because you are cloning an old one.

@awizardalso 5 лет назад

Thanks for posting this. I also have a passion for old school electrical and electronic gadgets.

@cwize 5 лет назад

This project / video made me so happy.

@kanati 5 лет назад

subscribing SOLELY due to the sigmund and the seamonsters references

@NikonFM2n 5 лет назад

Me too. Damn the 70's were a great time to be a kid.

@scottpecora371 5 лет назад

The 60's were even better, make a wonder what it was like the previous century, before electricity, cars, airplanes, radio, tv or computers and children had to rely upon their own imagination's. Our medicine and ease of life is no doubt better today, butch think the quality of life, daily living, no processed foods, and the belonging to a community where as a child everyone knew who you were, and who your parents were! We've gained tremendous things, but also lost and given up the same

@sumnerbrent 5 лет назад

Sigmund song and I'm in too! I love it!

@NikonFM2n 5 лет назад

The 70s were awesome. I was born in 71. Saturday morning cartoons and pop rocks. Jajajajajajajajajajaja

@DavidPlass 5 лет назад

Surgery on a jellyfish! YMMD, thank you.

@videogalore 5 лет назад

Superb - I can't believe how good of a copy this is! Excellent result!

@bustednuckles2 5 лет назад

Genius. I couldn't tell you how many times I wish I had known how to do this.

@MrStrangelymade 5 лет назад

Not something I often ask, but what was you using to clean your knob?

@WesleyTreat 5 лет назад

Just your run-of-the-mill 409.✨

@CreepyChappy 5 лет назад

You’re funny I subbed

@wargunnerguy 5 лет назад

@stevenspaziani9159 5 лет назад

That was very crafty, and I thought you're castings were spot on.

@leardvr 5 лет назад

You are my new best friend. I have a vintage Grand Stove I've redone and didn't know how to do knobs. I 💘 you man. I'm off to by supplies tomorrow. Even more excited about the idea of doing different colors.

@WesleyTreat 5 лет назад

Be sure to watch some Smooth-On tutorial videos for all the details I didn't cover here.

@inhabitedbadge 5 лет назад

5:43, like surgery on a grape

@nothanks7752 5 лет назад

exactly what I was thinking.

@timbrown9305 5 лет назад

I just looked up "Sigmond the sea monster" . I was born in 1964 so how did I miss that?

@jamienoel 5 лет назад

I was born years after you and remember watching it every Saturday morning. Those were the days...

@leen3158 5 лет назад

I skipped ahead, but when I heard what I had missed rewound. and the content was already gone... lesson learned!

@KennethNicholson1972 5 лет назад

Brilliant reproduction. Love the tester board too. In addition I like that you are nuts, funny, and you are willing to share knobs with your Brothers. You have earned my subscription fella.

@Traderjoe 5 лет назад

I thought I was the only one who sings Sigmund the sea monster theme song

@scottluther2091 5 лет назад

I use to watch that show alot, as well as just about all of the Sid & Marty Krofft shows!

@scottluther2091 5 лет назад

@@John-ik2eg Which Banana Bunch theme? You mean from the Banana Splits Show?

@Kara_Kay_Eschel 5 лет назад

I do 'Clutch Cargo'.

@jeremythelander5024 4 года назад

Wow. That casting was spot on. Nice work.

@joeemenaker 5 лет назад

Nice shout-out to Sid & Marty Croft. _That's_ the inside joke most people are going to miss.

@DavidSmith-er6rv 5 лет назад

Good instruction and very entertaining too. So many videos like these drag on with too much commentary but you mixed the action and narration really well.

@mattfarahsmillionmilelexus 5 лет назад

I cast model car parts regularly. I use Smooth-On products, a vacuum chamber to degas the silicone for a few minutes before pouring it into the mold, and a pressure pot to cast the parts under pressure. I use two-part molds, and cast in opaque and clear resin and flexible rubber for the tires. You got great results for a one piece mold without pressure casting, hard to do that without air bubbles.

@Droidparty 5 лет назад

That was seriously cool.Great job, I couldn't tell the difference.

@TheLawrenceWade 5 лет назад

I built myself a 3D printer specifically to make replacements for unobtainable antique radio knobs, but I'll happily print anything that isn't a weapon. Keep our technological history alive! Next up: I am going to 3D print the parts to make a 3D scanner so I can "photocopy" a knob to make a replacement. I love and applaud what you are doing here. If you can figure out where to put a couple of vacuum tubes on a 3D printer, I'm into doing that. It will give a whole new meaning to the phrase "My printer is warming up". :)

@andrewdolinskiatcarpathian 5 лет назад

‘ Like surgery on a jellyfish ‘.Priceless. 👍👏😀

@apl175 5 лет назад

This was incredibly satisfying to watch.

@approachableactive 5 лет назад

The nice thing about casting an original is that it also copys its wear and much of its patina.

@411poultry Год назад

Ok, I'm impressed. I can't tell the difference!

@javilarg 5 лет назад

I love vintage electronic stuff 😍

@bobspringer5370 5 лет назад

I had a radio once, it was crystal,then it broke when it didn't play the FUCKING stations I liked.

@HyperactiveNeuron Год назад

Using silicone to mold with is an awesome trick. I first learned about that back... Oh 2013 I think. I had some broken and missing mounting posts on my motorcycle fairings. I didn't have any smooth-on but learned I could use 100% silicone caulk, any color, and dispense however much you need in a bowl of cool water with dish soap mistress l mixed in and just work it like dough until it's not sticky. Then take it out, shake the excess water off and mold it around the past you want to replicate. Let it set. I think I waited about 4 hours. Carefully make a circumferential cut and free the part and boom you have a mold for castings. I made resin castings and replaced and the broken and missing parts and used a fiberglass epoxy to fit them back. Just as sturdy as the original.

@penelope5534 5 лет назад

So glad to have found you. I just bought a dresser that is missing a tassel style knob. I'm not sure how to separate the tassel from the base yet to cast it, but your video has inspired me to seek out all vintage knobs to cast them. Thank you so much.