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[874.36 --> 881.60] and I have my bed turned up to about a hundred. I find it works a little better, but I can print with |
[881.60 --> 888.80] the PETG itself down at about 230, which is the low end of what Micro Center actually recommends for |
[888.80 --> 895.26] that filament. Really, it just depends. Yeah. Most manufacturers will print a recommended set of |
[895.26 --> 900.92] settings on the side, and that's generally a good place to start. But you will need to start printing |
[900.92 --> 905.92] things like calibration cubes and, you know, temperature towers and torture tests and all this |
[905.92 --> 910.52] kind of thing. If you're moving to a completely new supplier of filament and you're not seeing the |
[910.52 --> 915.20] results you would expect, there's all sorts of things on a website called Thingiverse that you |
[915.20 --> 922.12] can actually download for free to import into your printer's slicer software and send across to the |
[922.12 --> 929.76] printer. So speaking of slicers, Cheese, we haven't really touched on that much at all yet. Would you like to? |
[930.12 --> 936.90] Yeah. So a slicer is basically exactly what it sounds like. As Alex had mentioned earlier, |
[936.90 --> 944.62] with FDM, you're laying down layer by layer. So a slicer will take your 3D model and separate it |
[944.62 --> 952.74] layer by layer, drawing the path and or creating the G-code that allows the printer to know in X, |
[952.80 --> 959.14] Y, and Z in space where the nozzle needs to be at any given time. And then once you've taken your |
[959.14 --> 963.92] model and you've sliced it, then you can import that G-code directly into your printer and print your |
[963.92 --> 969.72] model. So there are a couple of different pieces of software. Cura, which is one that I'm a little |
[969.72 --> 978.80] more familiar with. That's C-U-R-A. It's really great. And then Prusa, the manufacturer of 3D printers |
[978.80 --> 985.46] actually has their own piece of software. I think they, it's a fork of slicer was the original name. |
[985.64 --> 990.06] And now it's just referred to as Prusa slicer. But it's kind of the de facto for them. |
[990.06 --> 993.40] It's spelt slick 3R if you're looking for it on the internet. |
[993.42 --> 998.00] Yeah, slick 3R. Yeah, that's it. It's LeetSpeak spelt, right? But yeah, it's, it's, |
[998.10 --> 1003.58] it's, it's a great one as well. And I'm, I'm learning more of that now that I've, I've purchased |
[1003.58 --> 1011.66] a Prusa printer, but Cura is also fantastic. And there are a lot of settings that you can take |
[1011.66 --> 1018.68] from other resources. So I know Chep is, is one of the guys I took, um, his, uh, his settings, |
[1019.02 --> 1024.66] uh, for Cura originally. And, you know, they worked really well for me better than the stock settings |
[1024.66 --> 1027.82] that were, that were suggested by Cura itself. So. |
[1029.10 --> 1034.12] So I'm pretty curious, uh, to, to know how the humidity has affected you. Cause I know you've just |
[1034.12 --> 1039.86] moved from Texas to Colorado, but obviously there's a drastic humidity difference between the Gulf |
[1039.86 --> 1046.78] coast and the Colorado air and, and PETG is famously hygroscopic. So what that means is it |
[1046.78 --> 1050.66] will absorb water from the air around it. So, you know, me and Raleigh, for example, |
[1050.66 --> 1056.34] with my relatively high humidity, I have to keep my filament in a dry box full of silica gel in order |
[1056.34 --> 1061.84] to try and keep it relatively usable. I was wondering, have you noticed any difference in how you store |
[1061.84 --> 1067.90] your filaments and how easily they print or not at the different altitudes and humidity levels? |
[1067.90 --> 1075.16] Well, for me, I haven't really experimented with much outside of PLA. So, um, I know the PETG, |
[1075.34 --> 1082.08] like you said, has, has a lot more, uh, is hydroscopic as you mentioned. Um, but I will say |
[1082.08 --> 1089.02] that with PLA, I have noticed that moving from Texas, uh, along the Gulf coast to here in Colorado, |
[1089.02 --> 1099.68] um, even the PLA, it gets more, it gets more brittle than normal. Um, so I, it's not like I |
[1099.68 --> 1107.04] keep it in a humidifier or something, but, uh, once I get through the batch of filament that I have |
[1107.04 --> 1112.54] now and I move over to PETG, I'll know a little bit more, but so far the humidity and the change in |
[1112.54 --> 1118.02] humidity has affected the PLA, but not significantly to the point where I can't print with what I have. |
[1118.02 --> 1120.54] So how about you, Drew, how's your experience been? |
[1121.62 --> 1127.82] So, you know, I've only been doing this a few months. I'm not sure how quickly PETG under |
[1127.82 --> 1134.84] circumstances like yours, Alex would, would really take on enough water to need to be dried before |
[1134.84 --> 1136.12] printing, but. |
[1136.72 --> 1141.66] Could be a month. It could be three or four months. I mean, it really depends. Like for example, |
[1141.66 --> 1144.98] you were, you were living in Georgia before and now you're in Colorado. |
[1144.98 --> 1150.82] Right. Similar thing as cheese, really, you know, an ocean level of Gulf humidity moving up to the |
[1150.82 --> 1151.86] mountains, you know, so. |
[1151.94 --> 1161.40] Right. So here I have had my PETG sitting out for a while and I've also, I keep it in a box most of |
[1161.40 --> 1167.62] the time, but I don't like after a print is finished, heat up the end and pull the filament |
[1167.62 --> 1172.08] and put it back in the box. I tend to just kind of leave it on the roll. |
[1172.58 --> 1176.82] You should be fine where you are now. I mean, I was wondering whether you'd noticed any difference |
[1176.82 --> 1181.20] in terms of how, because I know, for example, things like boiling a kettle takes longer altitude |
[1181.20 --> 1183.78] and, you know, baking recipes are slightly different. |
[1184.12 --> 1192.48] Yeah, exactly. So no, I haven't had any issues just leaving my PETG on the roll for weeks. |
[1194.52 --> 1195.40] Still prints fine. |
[1196.60 --> 1197.20] All right. |
[1197.62 --> 1204.32] Well, talking of software, we mentioned Prusa Slicer and Cura. Those are the two main slicers. |
[1204.84 --> 1208.44] There's another piece of software that I think everybody ought to know about called Octoprint. |
[1209.12 --> 1210.32] Wonderful piece of software. |
[1210.68 --> 1211.82] It's like the best thing. |
[1212.14 --> 1212.58] Wonderful. |
[1213.18 --> 1219.50] Seriously, if you are getting into 3D printing, just, yeah, do yourself a favor and Google Octoprint. |
[1219.50 --> 1232.40] It is something that you install on like a Raspberry Pi and you connect it to your printer via the USB slot and then you can control your printer remotely. |
[1232.40 --> 1237.26] It is damn near necessary for anybody who's really going to do this as a hobby. |
[1237.26 --> 1242.34] You really need a way to be able to touch your printer without having to walk to it. |
[1243.00 --> 1243.36] Absolutely. |
[1243.36 --> 1244.40] I totally agree. |
[1244.74 --> 1248.40] I have a Pi 4 running my Octopi instance. |
[1248.84 --> 1257.52] So the piece of software is called Octoprint, but the developer of Octoprint makes available a build for the Raspberry Pi called Octopi, |
[1257.52 --> 1262.30] making the Raspberry Pi ecosystem almost synonymous with 3D printing in my opinion. |
[1262.98 --> 1266.68] And I actually use that to run the Python application, which is Octoprint. |
[1266.86 --> 1268.82] There are a bunch of different plugins you can get. |
[1268.90 --> 1278.18] So for example, I have one that's called Spaghetti Detective, which looks at my webcam feed and tries to use machine learning to try and figure out if my print has come unstuck for any reason. |
[1279.04 --> 1279.92] That's a fun one. |
[1279.92 --> 1281.80] There's another one that does Telegram integration. |
[1282.08 --> 1286.22] So I get notifications and I can control my printer via Telegram bot. |
[1286.22 --> 1288.46] I can get GIFs as well, all that kind of stuff. |
[1288.94 --> 1290.08] There are hundreds of plugins. |
[1290.20 --> 1291.40] We couldn't possibly list them all. |
[1291.92 --> 1293.48] MQTT is another one. |
[1294.14 --> 1295.82] Yeah, MQTT is awesome. |
[1296.10 --> 1297.54] The timelapse plugins. |
[1298.12 --> 1299.44] Yes, that one is great. |
[1299.52 --> 1303.26] The webcam plugin, just in general, to let you monitor in real time. |
[1303.88 --> 1305.70] There's even cost estimation plugins. |
[1306.48 --> 1314.92] So based on the G code that you provided, it will estimate how many grams of filament and how much that filament costs and therefore how much a print's going to cost. |
[1314.92 --> 1322.58] So there are a lot of things in Octoprint that there's really nothing out there that compares to it that I've seen. |
[1323.00 --> 1330.90] And it's probably one of the best uses for a Raspberry Pi, especially if you have, well, specifically if you have a 3D printer. |
[1331.72 --> 1332.62] For sure. |
[1333.02 --> 1335.36] Now, I would probably suggest running it on a Pi 4. |
[1335.36 --> 1344.36] I've been running it on a Pi 3B Plus for a year or two, but I upgraded about six months ago to a Pi 4, and it's night and day difference. |
[1344.48 --> 1350.00] It's so much faster, and I would highly recommend a Pi 4 as a baseline if you're just getting into this. |
[1350.48 --> 1357.26] So a few months ago, everybody from JB came out to Denver, and we all had a jolly good time. |
[1357.26 --> 1365.26] But Linode was giving away Raspberry Pis at our little meetup, and I managed to win one, right? |
[1365.84 --> 1366.70] Yeah, you did. |
[1366.92 --> 1369.44] That's what my Raspberry Pi from Linode is doing. |
[1370.54 --> 1371.06] Awesome. |
[1371.74 --> 1372.00] Rad. |
[1373.00 --> 1378.72] So the final filament I think is worth talking about is TPU, which is a flexible filament. |
[1378.88 --> 1381.10] Have either of you experimented at all with flexes? |
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