WEBVTT 00:00:00.000 --> 00:00:06.400 Ultimate Steam Deck. Here's the problem we have. You know this isn't a Steam Deck 00:00:06.400 --> 00:00:10.400 but same basic thing. You chuck it in your backpack and then the stick gets all 00:00:10.400 --> 00:00:15.560 smashed around but we have a solution. Jacob here from Creator Warehouse has 00:00:15.560 --> 00:00:20.640 designed a condom that goes over this. Now we don't have full production yet so 00:00:20.640 --> 00:00:28.720 instead we're getting a little tutorial in plastic casting. Alright. Shall I take 00:00:28.720 --> 00:00:35.080 it away? I don't think you really need to. Okay. What exactly do we do? Alright so 00:00:35.080 --> 00:00:41.080 we're going to, I'd start with putting down a covering. So I've got some wax 00:00:41.080 --> 00:00:44.480 paper right here that we just put in our work area. Mostly so that's easier to 00:00:44.480 --> 00:00:52.240 clean up afterward. Isn't this like a cooking show? And the idea in general is 00:00:52.240 --> 00:00:58.680 we've got these molds. Now in production a mold would be made out of aluminum or 00:00:58.680 --> 00:01:03.120 steel or something but these little 3D printed molds work okay for small 00:01:03.120 --> 00:01:06.440 quantities and prototyping. What we're going to do is we're going to screw the 00:01:06.440 --> 00:01:11.320 molds together so that they don't come apart and then we're going to fill them 00:01:11.320 --> 00:01:15.600 with the silicone resin and the resin we're going to be using is this mold 00:01:15.600 --> 00:01:22.520 max 40 stuff. There's a lot of different options. I like mold max. It's the 40 00:01:22.520 --> 00:01:27.240 stands for the hardness of it so the lower numbers tend to be a softer 00:01:27.240 --> 00:01:32.280 shore hardness and they're more like bubble gum or gummy bears whereas the 00:01:32.280 --> 00:01:37.680 harder ones are more like car rubber. So this stuff 40. It's a nice mix. I like it 00:01:37.680 --> 00:01:45.800 a lot. Let's take some bolts and put them through these holes and then we can screw nuts on the bottom base and torque it down so that we have a nice fit 00:01:45.800 --> 00:01:50.680 because if these, if the lids aren't tight then as we're injecting the resin 00:01:50.680 --> 00:01:54.400 the top is going to rise and we're going to get a bunch of flash around the 00:01:54.400 --> 00:02:01.880 edges. Oh yeah exactly. So got some nuts. I'll grab some sockets so that we can 00:02:01.880 --> 00:02:05.400 torque them down so we don't have to do it by hand and we've got five molds 00:02:05.400 --> 00:02:11.960 there. We prepared five for 3D printing. So you can get five of these guys. Cool. 00:02:11.960 --> 00:02:17.760 Yeah and it'll take about 24 hours for the resin to cure. This one doesn't want to go in. 00:02:17.760 --> 00:02:22.840 It's a bit of a stiff fit. I admit I designed that for m6 bolts which are 00:02:22.880 --> 00:02:30.480 six millimeters. Those are quarter inch bolts which are 6.35. So they're a 00:02:30.480 --> 00:02:34.040 little bit too big. So what's the torque rating on these? I'm guessing it's, you 00:02:34.040 --> 00:02:42.040 know, very specific. Low enough that we don't crush the plastic. Hmm. These are 00:02:42.040 --> 00:02:50.560 3D printed. They're not steel. So torque to yield. Quarter turn, 94 pounds. Torque 00:02:50.600 --> 00:02:55.800 to I yield, you mean? Let's see here. I'm kind of curious now. What the torque is? 00:02:55.800 --> 00:03:04.640 If I had to guess, 10, 20. Yeah. Shall we run a destructive test and have four molds? 00:03:04.640 --> 00:03:09.520 Let's see how 10 feels. Okay. 00:03:09.520 --> 00:03:27.120 Need a wrench. What is this? 11? You could borrow. I like how we're using a torque wrench. When 00:03:27.120 --> 00:03:32.600 in doubt, use the biggest tool you have. So realistically what this means is if we only 00:03:32.720 --> 00:03:38.720 can apply five foot pounds of torque, we're not getting the full recommended, whatever 00:03:38.720 --> 00:03:42.920 it is, five or 10 tons of clamping force that you should on injection molding. But we're 00:03:42.920 --> 00:03:48.920 not getting that anyways because it's a plastic mold. Let's see. Five foot pounds. Oh, I 00:03:51.920 --> 00:03:58.640 think that's too much. Wow, that's very low torque. It's not much. I sometimes just hand 00:03:58.680 --> 00:04:03.240 tighten it. I brought it as a joke, but now I'm actually surprised how little it takes. 00:04:03.240 --> 00:04:14.360 It's not much. Now, if we 3D printed these solid or out of polycarbonate, maybe this is just 00:04:14.360 --> 00:04:25.600 PLA. Remember when I said these were fast? Three foot pounds. This wrench probably doesn't even do 00:04:25.640 --> 00:04:33.800 three foot pounds. Oh, there we go. Equipped. Three foot pound feels pretty good. That's what 00:04:33.800 --> 00:04:40.000 we're doing. All right. I'll make a note. Three foot foot pounds is the recommended torque. Yep. 00:04:40.000 --> 00:04:45.320 We'll write that up in the owner's manual. Now, this is a process you could use for injection 00:04:45.320 --> 00:04:50.920 molding or prototyping lots of stuff. 3D printed mold, put the silicone in whatever shape you 00:04:50.920 --> 00:04:58.160 want. It doesn't have to be our design. It could be something else. Okay, I'm going to put away 00:04:58.160 --> 00:05:04.640 this thing. You having too much fun? Well, I accomplished one in the time that you did four. 00:05:04.640 --> 00:05:11.480 So that's okay. Apparently sizes into everything. All right. This is probably when we should be 00:05:11.480 --> 00:05:18.280 putting on gloves because we're going to make a bit of a mess, I think. And what we're going to be 00:05:18.280 --> 00:05:26.680 doing is this silicone resin comes in two parts. There's the, I guess, part A it is. And then there's 00:05:26.680 --> 00:05:33.160 the small hardener, part B. And it's mixed at a 10 to 1 weight by weight ratio. So if you put in 00:05:33.160 --> 00:05:40.600 30 grams of this stuff, you'll want to put in 3 grams of the hardener. Okay. We've got the scale 00:05:40.600 --> 00:05:47.600 here. And I've got some nice little disposable cups that we can use for this. And I'll go grab one 00:05:47.600 --> 00:05:53.760 of our stirring rods to mix it all up afterward. These are stir rods and not skewers that might 00:05:53.760 --> 00:06:00.360 have been picked up at a grocery store. I have like a thousand dowel pins. You serious? Wooden 00:06:00.360 --> 00:06:06.360 dowel pins. Yeah, wooden dowels. Oh, nice. Are they stiff? Well, I bought them for exactly this. 00:06:06.360 --> 00:06:16.800 There it is. So that's not a thousand, but those are great. Let's use those. All right. Yeah, 00:06:16.800 --> 00:06:21.440 the resin is quite thick, or the silicone is quite thick. So having a stiffer stir rod is way nicer. 00:06:21.440 --> 00:06:29.920 Okay. All right. So I'd say that this syringe, so what we're going to do after we mix it is we're 00:06:29.920 --> 00:06:33.920 going to put it in the syringe and then put it in the vacuum chamber, suck all the bubbles out, 00:06:33.920 --> 00:06:40.000 essentially, and then immediately put the silicone into the molds. Now you don't want to fill this 00:06:40.000 --> 00:06:46.040 all the way to the top because as the bubbles are being released and you're degassing the silicone, 00:06:46.280 --> 00:06:50.600 it's going to froth and it's going to expand. And if it's all the way to the top, it's going to 00:06:50.600 --> 00:06:57.320 immediately expand out into our vacuum chamber, make a huge mess. So I'd say we should probably put 00:06:57.320 --> 00:07:03.720 in 15, maybe 20 milliliters and then hope that that's not going to expand all the way to the top. 00:07:03.720 --> 00:07:10.920 It's a bit of a guessing game. We might overshoot. How about we do, it's 10 to 1. So what if we do 00:07:10.920 --> 00:07:17.000 20 grams of this and then 2 grams of the hardener and then that's 10 to 1, I think. 00:07:18.520 --> 00:07:29.000 Yeah. So you'll want to mix this beforehand because sometimes some of the things can settle 00:07:29.000 --> 00:07:34.120 and it's good to have it nice and mixed. Wait, do we not have to use mold release in this? 00:07:34.600 --> 00:07:41.560 Yes, we should. So far it's been okay. All right. That's not actually always true. It's not always 00:07:41.560 --> 00:07:48.920 been okay. But I think we can risk it. All right. Yes, you should use mold release. You can use, 00:07:48.920 --> 00:07:52.680 they've got these wax sprays that you could put on, but we'll have to remove all the bolts, 00:07:52.680 --> 00:07:58.680 or you can use talcum powder is also good as well. For larger molds or for a resin that sticks really 00:07:58.680 --> 00:08:03.000 well, like fiberglass resin or a lot of other two-part epoxies, that's way more important. 00:08:03.560 --> 00:08:09.240 This is silicone, which while it adheres relatively well to itself as it's curing, 00:08:09.240 --> 00:08:13.240 silicone doesn't tend to adhere to other materials as easily. So you can peel it out 00:08:13.240 --> 00:08:20.600 pretty easily. It's sort of like if you're casting something soft, it's often a good 00:08:20.600 --> 00:08:24.680 idea to have a hard mold because it keeps it rigid. Whereas if you're casting something hard, 00:08:25.320 --> 00:08:29.800 then it's a good idea to have a soft mold. So that's why if you wanted to cast a hard plastic 00:08:30.360 --> 00:08:34.520 resin, you might use a silicone mold. Whereas right now we're doing the reverse. 00:08:35.800 --> 00:08:39.240 It makes it quite easy to remove things and then you can maintain good 00:08:40.600 --> 00:08:45.080 dimensional tolerances and it's great. All right. Will we have any shrink when it's in here? 00:08:47.960 --> 00:08:52.920 This stuff's pretty good. It doesn't shrink very much, but that hasn't really been much of an issue. 00:08:53.160 --> 00:08:59.960 Okay. Yeah, I guess the dimensional tolerances of a joystick condom is not like a thousandth of an 00:08:59.960 --> 00:09:05.960 inch. Yeah, they've got to accommodate different sizes. Things shrink sometimes. 00:09:07.560 --> 00:09:15.880 We'll have to make the magnum for like... Oh no. Yeah, big thrust master. That's definitely 00:09:15.880 --> 00:09:21.240 what it's going to be called. Your whole racing sim just encased in silicone. 00:09:23.880 --> 00:09:28.680 All right. So this kind of flows like honey. So I can kind of just... Weird. I know. It is weird. 00:09:30.840 --> 00:09:36.760 This scale only measures down to a gram. However, while this has a density that is very different 00:09:36.760 --> 00:09:43.560 from water, the hardener has a density that's very close to water. What that means is you can pretend 00:09:43.560 --> 00:09:52.120 that two milliliters is two grams. So I'm going to... Again, I'm cheating. It said you're supposed 00:09:52.200 --> 00:09:59.000 to measure weight by weight. We're going to do weight by volume mix. It's easier given the tools. 00:09:59.560 --> 00:10:04.840 Should we just buy a better scale? Yes. I've requested one. Okay. It hasn't come in yet. 00:10:05.880 --> 00:10:13.400 In fact, I've requested it twice. And then this syringe does... That's a one milliliter syringe. 00:10:13.400 --> 00:10:17.800 So we can just fill it twice. And now that the hardener has been added to the silicone, 00:10:18.440 --> 00:10:24.120 we're on a time limit. We could always just go back before this, but you're not going to get 00:10:24.120 --> 00:10:28.760 that out. And that silicone is going to harden in 12 hours. Oh, okay. So at this point, we need to 00:10:30.760 --> 00:10:36.920 mix it, which is why the mixing stick is nice. Yeah, you can use that one. I found that mixing 00:10:36.920 --> 00:10:41.560 it gently at first and then more aggressively once it's a little bit mixed makes it easier than 00:10:41.560 --> 00:10:49.000 you don't splash the part two as much. You can't go wrong. Just mix it like crazy. Once the color 00:10:49.000 --> 00:10:53.640 is all pretty well blended, that should be good. However, since it's thicker, you're going to find 00:10:53.640 --> 00:10:59.880 that as you're mixing it, if you don't scrape the silicone right off the edges, the bottom and the... 00:11:00.840 --> 00:11:04.840 Can I call them walls of the cup? Then you're going to get silicone around the edge that is not 00:11:04.840 --> 00:11:12.120 mixed. Okay. If you have a clear cup, which we don't, then you can really see that well. And it 00:11:12.120 --> 00:11:21.720 looks a little bit like cosmopolitan ice cream. Oh, this is probably good. I'd say so. Yeah, 00:11:21.720 --> 00:11:29.320 and then we can pour that in here. I'm letting you do it because I don't know how to do this well either. 00:11:35.320 --> 00:11:37.080 Mmm, delicious. 00:11:40.920 --> 00:11:42.440 The forbidden mint ice cream. 00:11:44.760 --> 00:11:52.360 I wouldn't eat this, but okay. Is this food safe silicone or silicone? 00:11:55.560 --> 00:12:02.200 I'm pretty sure this stuff is tin cure, which is not. So it's fine to touch and handle once it's 00:12:02.280 --> 00:12:09.320 cured. There is other types of silicone that are platinum cured, and those tend to be a little bit 00:12:09.320 --> 00:12:15.240 safer if you're going to have them in contact with skin. I would need to check if they're food safe, 00:12:15.240 --> 00:12:23.000 though. Okay. But this one is not. And even if it's food safe, you still shouldn't eat it. 00:12:25.080 --> 00:12:29.240 Do we get a lot of it? There's only so much we're going to get. We might have to do this in 00:12:29.320 --> 00:12:35.080 multiple runs. No, we're doing it all at once. Let's do it. So the reason that we don't have just 00:12:35.080 --> 00:12:39.720 like a large plastic cup to do all of this at once and then put it in the syringe after? 00:12:41.000 --> 00:12:47.480 I found that the process of pouring it into the syringe adds a lot of bubbles to the silicone. 00:12:48.440 --> 00:12:53.320 So you put it straight into here, you degas it in here, and then it immediately goes in there. 00:12:53.320 --> 00:12:56.440 That makes sense. And then you don't have to have a transfer step. 00:12:59.240 --> 00:13:00.920 There we go. And you can get a view from the top. 00:13:09.480 --> 00:13:12.520 So hopefully we didn't overfill this because it's going to start to froth, 00:13:13.080 --> 00:13:17.960 and the silicone is going to expand upward. And if we left enough space, 00:13:17.960 --> 00:13:24.840 it will not expand out of the tube. If we didn't, then I've got more cleanup to do afterward. 00:13:25.800 --> 00:13:33.640 Oh, perfect. Oh, yeah. Okay, cool. We're at a near vacuum. So I'm just going to hold that there 00:13:33.640 --> 00:13:39.960 and turn off the pump. A lot of these pumps can continuously drop vacuum, but this one, 00:13:39.960 --> 00:13:47.080 it doesn't like to run for too long. All right. Okay, let's just let a bit of air out. 00:13:49.800 --> 00:13:54.120 All right, collapse foam, and then we'll pull another vacuum. So when you collapse it, 00:13:54.120 --> 00:13:59.640 the bubbles can just pop. All right. So what I just did is I just drew a vacuum. 00:14:00.360 --> 00:14:06.040 Okay. Don't say so. That's illegal in this company. I'm sorry. So anyways. 00:14:09.560 --> 00:14:14.280 Shoot, now I don't know how to start my second. What we just did was we drew a full vacuum, 00:14:14.280 --> 00:14:21.640 then we released some of it, and that causes the bubbles to pop and disperse, and then they come out 00:14:21.640 --> 00:14:26.280 of the silicone, and then you can draw another vacuum just to get the rest of them. And usually, 00:14:26.280 --> 00:14:29.960 I'll do that a couple of times just to make sure all the bubbles are gone. 00:14:33.160 --> 00:14:39.560 Tasty. Now, this particular silicone cures pretty slowly, so we can do this fast. There are others 00:14:39.560 --> 00:14:43.720 where you can't take this much time, and you have to go quick. Is that condensation coming out of 00:14:43.880 --> 00:14:52.520 this? What is that? Is it smoking? I think it's smoking. You know what? I think this is degassed 00:14:52.520 --> 00:15:04.680 enough. Okay. So remember when I said I don't like to leave this pump running for too long? 00:15:05.480 --> 00:15:11.880 That's why. Yeah. So now we can just inject this into the molds. So what we've got 00:15:12.520 --> 00:15:18.280 is we've got, goodness, I've forgotten the name of all of them, injection gate. That's the big one 00:15:18.280 --> 00:15:23.800 in the middle, and then we have smaller gates for releasing air out the sides. Wait, wait, wait, wait. 00:15:23.800 --> 00:15:27.000 Can you take it out and put it back on? Okay. Well, it's covered in silicone now, but... 00:15:29.400 --> 00:15:35.240 It's all right. I'm going to keep applying pressure until I see silicone come out the vent holes, 00:15:35.240 --> 00:15:39.960 and then I know the whole mold is full. Okay. There it is. Okay. It's come out of four of them, 00:15:39.960 --> 00:15:44.840 but it hasn't come out of the middle ones yet. Okay. Now it's come out of all of them. 00:15:45.960 --> 00:15:50.040 Excellent. Now I can remove that and move to the next one, 00:15:52.200 --> 00:15:57.560 and then apply pressure. Oh, okay. Apply pressure again, and it's going to come out. You've got to 00:15:57.560 --> 00:16:02.040 wait until the silicone comes out of all of the vent holes, because if it only comes out of some of 00:16:02.040 --> 00:16:08.680 them, there's still a bubble underneath the others. Okay. Yeah. So all right. There we go. It's coming 00:16:08.680 --> 00:16:18.280 out of all four. Move over, and I think we've run out. Mix up more. Let's mix up more. Here we go. 00:16:21.080 --> 00:16:26.280 I wish I had a funnel. It was like Linus' personal pump. Oh, is that where it came from? Oh, so it 00:16:26.280 --> 00:16:31.640 wasn't new. Yeah. It was probably very much abused by him. Yes. We managed to catch it before all 00:16:31.640 --> 00:16:39.320 the silicone came out. I'm going to prop that up with something. How about a one, two, three block? 00:16:39.320 --> 00:16:43.000 Sure. There we go. Now it's not going to fall over. 00:16:48.920 --> 00:16:53.000 I suppose we could have put a bit more in, because it only went up to about 30. 00:16:57.400 --> 00:16:58.760 Okay. Let's do this quickly. 00:17:02.360 --> 00:17:08.200 It's probably fine. It's fairly easy. Okay. 00:17:14.280 --> 00:17:20.600 That's probably good. There we go. Next one. So I, oh, okay. Let's just start. 00:17:21.000 --> 00:17:31.400 So for this one, I'm hoping that because we had a break between, we're not going to have a bubble 00:17:31.400 --> 00:17:37.720 between two layers of silicone. So I might push a little bit extra through to see if there was a 00:17:37.720 --> 00:17:44.120 bubble in there. That's probably fine. Probably. It's really hard to tell. Wait, four holes? 00:17:44.120 --> 00:17:52.120 Wait, four holes? And eight holes. Okay. A bubble probably would have come out by now. 00:17:55.720 --> 00:18:02.920 What's up? Hi. Hi. So some of the SLA's you can print with clear resin, which is really cool. 00:18:02.920 --> 00:18:08.200 Oh, you'd be able to see it. Yeah. We should have done that. Oh, that would have been really cool. 00:18:08.920 --> 00:18:16.040 I don't know if we have a crystal clear resin for the SLA. Is it? Okay. I think it's probably done. 00:18:18.520 --> 00:18:20.760 Oh, just a little bit left. Hopefully we don't run out. 00:18:25.640 --> 00:18:29.560 No, I think we're out. Oh, well. 00:18:29.800 --> 00:18:41.320 Okay. Well, that's four. Should we do it one more time? Yeah. Okay. There we go. So now we just 00:18:41.320 --> 00:18:47.640 leave these out of the way for 24 hours. Yep. Or 12 is probably okay. 00:18:50.440 --> 00:18:56.120 Thank you for watching this flow plane exclusive. Now we get to see Jamie.