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• Factors influencing the need for an enclosure include containing heat and environmental variables in the area where the printer will be used. |
• Personal experience shared about using an enclosure to prevent pet hair interference with prints. |
• Enclosures can also help with temperature control for certain plastics like ABS. |
• Various uses for an enclosure beyond just dust, noise, and fume control are mentioned. |
• The discussion shifts to sharing and discussing different 3D printers and upgrades each person has made. |
• Drew shares their experience upgrading parts on the Ender 3 Pro, including replacing the hot end and switching from a Bowden tube setup to direct drive. |
• Auto bed leveling is also discussed as a valuable upgrade that helps improve print quality. |
• The speaker upgraded their Ender 3 Pro printer with various components |
• They mention buying a Nozzle X and replacing the cheap brass nozzles |
• The total cost of upgrades is under $500 |
• The speaker compares their experience with an entry-level 3D printer (Ender) to a high-end one (Prusa i3 Mark III) |
• They discuss the benefits of building a Prusa, including learning about electronics and 3D printing capabilities |
• The speaker values the turnkey experience of the Prusa, which comes with extensive documentation and customer support |
• Prusa's open-source approach to hardware designs |
• Comparison of Prusa and Creality's business practices |
• Open-source movement in 3D printing industry |
• Ender 3 from Creality being open-sourced due to public pressure |
• Benefits of auto bed leveling and direct drive extruder in Prusa printers |
• Importance of accurate and true hardware components |
• Upgrades to the Ender 3 Pro printer significantly reduced noise levels |
• Printers are used for various projects, including cases and stands for household items, musical instruments, and electronics |
• The speakers discuss their journey with 3D printing, from basic prints to designing and selling objects through their stores |
• They mention using microcontrollers and other technologies in conjunction with 3D printing |
• The hobby of 3D printing can be addictive, drawing people into designing and creating their own items instead of just buying them |
• Printers are used for baby-proofing the house, making corner protectors and outlet prong protectors. |
• The Prusa XL printer is a large format machine with automatic extruder tool head changes and multiple filament loading capabilities. |
• It has a significantly larger build volume than the standard Prusa printer and comes at a higher price point, starting at $2,000. |
• The Prusa XL features a new bed technology that includes segmented beds with cooling and expansion channels to reduce warping of prints. |
• Discussion on weighing filament before printing, with some users relying on their printer's filament runout sensor or a manual "cross and clench" method. |
• Use cases for the Prusa XL's multiple extruder feature, including printing different materials and dissolvable filaments. |
• Discussion of modifying spools of filament by fusing and filing them |
• Comparison of safety between using isopropyl alcohol vs. glue stick on print bed |
• Importance of regular printer maintenance, such as cleaning the nozzle and bed |
• Frequency of maintenance needed for printers, depending on usage |
• Various methods for wiping down the print bed after use |
• Discussion of a past experience or project |
• Recommendation to use high-quality glue stick for DIY upgrades |
• Introduction and thank-yous from guests and host |
• Promotion of network membership at Jupiter.party and selfhosted.show/sre |
• Details about the benefits of network membership, including ad-free content and behind-the-scenes material |
• Explanation of how network membership funding allows for picky sponsor selection |
• Call to action to support the show through membership or other means (downloads, community support, reviews) |
[0.00 --> 5.78] Happy holidays, listener. We have a special episode for you this week. Some old friends |
[5.78 --> 9.86] join the show for a 3D printing special with Alex. |
[11.72 --> 17.60] Well, I'm joined today by a couple of special guests, long-time JB friends and former colleagues, |
[18.02 --> 21.58] I suppose. We've got Cheese on the line. Hey, Cheese, how you doing? |
[22.06 --> 22.94] Hey, hey, how's it going? |
[23.24 --> 23.86] And Drew. |
[24.30 --> 24.70] Hello. |
[25.22 --> 29.50] Both of you are now in Colorado. You're both in Denver, serendipitously, I suppose. |
[29.50 --> 29.60] Thank you. |
[30.00 --> 33.40] Cheese, you're working for System76 these days. And what about you, Drew? |
[33.84 --> 41.96] I am working for the Community College System. So we handle basically high-end IT and server |
[41.96 --> 45.14] needs for 13 different colleges across the state. |
[45.70 --> 48.14] And you do chew my ear off about OpenShift on occasion. |
[48.46 --> 49.30] Every now and then, yeah. |
[49.54 --> 52.96] It has been known. What about you, Cheese? What are you doing for System76? |
[53.92 --> 58.56] Right now, I'm working with the marketing department, doing videography, photography, |
[58.56 --> 63.58] some animation, graphic design stuff, all sorts of fun, cool things. |
[64.02 --> 68.96] I feel like breaking out into Troy McClure at this point, you may remember Cheese from shows |
[68.96 --> 74.08] such as the Friday Stream and all sorts of other. Linux Unplugged, all sorts of stuff. |
[74.16 --> 77.24] If you're a long-time JB listener, these two guys will be very familiar to you. |
[77.24 --> 83.20] So I've got these two today to talk to you all about 3D printing. This is a topic that we covered |
[83.20 --> 89.30] very briefly in an episode of Self-Hosted recently. And lots of feedback came my way that you'd like |
[89.30 --> 95.08] a bit more information. So I have two guys that are at different points in their 3D printing journey. |
[95.08 --> 101.48] So just very quickly, Drew, perhaps you could give us a very quick overview of where you're at in |
[101.48 --> 108.68] your journey and that kind of thing. Sure. So just a few months ago, I purchased my first 3D printer |
[108.68 --> 117.58] and have been kind of getting up to speed since then. It's a smaller unit. We'll talk more about |
[117.58 --> 125.72] the actual gear a little later, but it's a very much the beginner's entrance style unit that one |
[125.72 --> 130.94] might pick up. It's not super fancy. So you're looking at this discussion through the lens of |
[130.94 --> 134.94] someone that's been printing for a few months. And what about you, Cheese? Where are you at in your |
[134.94 --> 141.22] journey? Well, I've been printing now for a couple of years after encouragement. I believe it was from |
[141.22 --> 146.48] LinuxFest Northwest where we all met up and you had printed some things, |
[146.48 --> 152.90] which encouraged me just to bite the bullet and buy a printer. And so I've been using basically |
[152.90 --> 158.42] the same printer as Drew for quite some time and over the last couple of years and learned that I |
[158.42 --> 163.40] enjoyed the hobby. So I want to expand that and picked up a new printer recently. Yeah, I think I |
[163.40 --> 169.38] 3D printed a carabiner clip to hold my luggage together or something. Yeah, I believe it was that. |
[169.74 --> 176.04] And you had also printed the on-air signs that were powered by the- That's right, yeah. |
[176.04 --> 180.42] The little Node MCUs. Those things are so cool. Yeah, I think that's what pushed me over the edge. |
[181.54 --> 186.16] Well, I'm glad you liked them. Of course, they're running WLED. So, you know, I hope you've been |
[186.16 --> 190.78] keeping them up to date. There's lots of new features on that stuff these days on the ESP side |
[190.78 --> 198.68] of things. I mean, so I've been 3D printing a little bit off and on for four, I guess, years. |
[198.68 --> 205.98] Quite a long time, I guess. I got into it through wanting to print little parts for my racing drones. |
[206.30 --> 212.00] You know, the perfect use case for me was to print custom holders for all the little tiny circuit |
[212.00 --> 218.58] boards that go into an FPV racing drone. And so I learned very basic CAD skills, computer-aided design |
[218.58 --> 224.92] skills, you know, through stuff like Tinkercad and Fusion 360. I am not very good, but, you know, |
[224.92 --> 232.06] I can print a 3D print a cube or a little square box I made for something easily enough. And so, |
[232.18 --> 236.92] you know, I've had a probably three or four prints. I think I'm on my fourth printer now. |
[237.40 --> 242.50] I've had some of the cheap Chinese ones and I've got Prusas these days, but we'll come on to that |
[242.50 --> 247.72] stuff a bit more later. But first of all, I thought it might be helpful to sort of talk about what is |
[247.72 --> 252.02] 3D printing a little bit for those that aren't familiar with it. Would either of you two like to |
[252.02 --> 260.40] take that mantle? I feel like as the junior here that you as the senior printer should take that, |
[260.62 --> 268.38] but... All right, fine, fine, fine. Okay, so what we call 3D printing is actually technically probably |
[268.38 --> 273.34] referred to, it's a bit like calling a Docker container a container and Linux container, like |
[273.34 --> 278.44] it's that whole Kleenex debate, right? So what we're actually talking about is what's called FDM |
[278.44 --> 284.48] printing, fused deposition modeling. And essentially what that does is it takes a spool of plastic |
[284.48 --> 289.94] filament, it can be of different materials. So there's three main types that I print with, |
[290.46 --> 296.66] I'll come on to those in a moment. But essentially what FDM printing does is it takes in a spaghetti |
[296.66 --> 305.18] sized piece of plastic, forces it through what's called a hot end, melts that plastic at 220-ish |
[305.18 --> 310.92] Celsius. It varies on the different filament that you use, the chemical properties of that filament. |
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