Atom 2.0 Delta 3d Printer | Stealth Black: The Layer One Atom 2.0 Delta 3d Printer Review!

Thomas Sanladerer

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Stealth Black: The Layer One Atom 2.0 Delta 3d Printer Review!


What’’s up everyone, Tom here. And today we’re checking out the Atom 2.0, the first commercial Delta 3D printer I’M reviewing and quite a good start for that category, too. It comes with an all-metal frame, carbon fiber rods and a titanium hotend, but is that enough to make a good 3D printer? Let’’s find out. So the Atom, 2.0, is a machine straight from Taiwan, – an island smaller than all of the Netherlands and known for brands like Foxconn, Asus Gigabyte TSMC Lian Li Jmicron, Chi Mei Acer. … You get the idea It’s a very dense high-tech environment and chances are if you bought a phone laptop or PC In the last 2.0, or so years, A large part of its components will have been from Taiwan. So what does a 3D printer from that region look like? Well, very, very sexy. That’’s for sure. The Layer, One Atom, 2.0, is a 76cm or 30 inches tall Delta 3D printer. It comes in this all-black stealth look and the version I have here is completely tuned out with the optional heated bed, a nice spool holder and the Atom shell, which are these three shaped aluminum corner, covers that add a bit of stiffness to the frame, accommodate acrylic enclosure panels and hide the moving carriages a bit. But it’’s not like the Atom looks unattractive without those. Addons It’’s simply a bit slimmer and more bare to the bone. It’s nominal. Printing envelope is a 22cm diameter by 32cm tall cylinder. Right now. It comes with a single hotend, but a dual hotend is in developement – who knows maybe we’’ll even see a two-in one-out solution? They do sorta pitch their platform as somewhat modular anyways with a swappable effector, which is also the only source file of the design. That’’s been posted so far. Layerone themselves already offer a drop-in laser engraver with a 150mW diode laser, which is enough to cut some very thin, dark materials or do engravings in things like leather or flat plastics. The effector that comes with this one is home to a single hybrid metal hotend, machined from titanium with a very short melt zone and transition zone. It’’s a completely custom design with this ceramic disc heater, a captive thermistor and a 04mm nozzle. While trying to get the printer running on the build livestream. I struggled with it a bit since it looked like there was something Maybe a metal chip from machining stuck in the nozzle, but a cold pull with some. Nylon took care of that. Like in the CEL Robox, the hotend also doubles as a bed probe using a system. I actually quite like. The lower half of the effector is a rigid aluminum piece, but the upper half is folded, steel bolted down on two points and only resting against the aluminum part on a third, which allows the hotend to slightly swivel up as it makes contact with the bed. And on that third spot, there is an adjustable switch that senses that motion and acts as an endstop. So what you end up with is an auto bed leveling setup that does not require a separate sensor and measures to the exact height of the nozzle. And since the nozzle itself is machined from titanium, there shouldn’t be any wear or deformation from it tapping against the bed. Now, moving on from the effector, the Atom is using these carbon fiber rods with nylon ends that are magnetically coupled to the carriage’’s balls. I used to be a bit skeptical about magnetic ball ends since I was worried about them falling off, But the Atom’’s magnet and ball joints only ever moved or disconnected if I tried to push the effector down by hand or increased the acceleration settings, but it never budged during normal use. The three carriages themselves are also machined from aluminum and ride on these THK linear rails, which makes for an overall very rigid and precise linear motion system. The GT2 belts are clamped with these awesome aluminum couplers that make belt tensioning easy without introducing any extra softness to the motion system. And I keep talking about how a delta or a Cartesian machine can both be very good platforms for a 3D printer as long as they are built well And mechanically, The Atom, 2.0, is definitely on the “built well” side here. The entire frame is super stiff, and there is no slop or wobble in the joints or the effector or anywhere else in the motion system, which you can definitely see in the print results, which show practically no artifacts from ringing or backlash. And the way the Atom is configured when it comes to firmware settings like acceleration or jerk definitely prefers reliability and quality over pure speed and quantifiable and advertisable numbers as well. But that doesn’’t mean the Atom won’’t be able to reach higher print speeds, in fact. I randomly decided at some point. “well, what would happen if I just now crank up the print speed to 200mm/s” and it handled it mostly, OK? The sensible acceleration limits kept speeds low for small details or curved surfaces, where higher speeds would eat up your print quality and for larger straighter sections, the higher top speed did accelerate the print overall without much of a difference in overall print quality compared to the default 30 to 60mm/’s speeds. However, one of the prints at these speeds showed a skipped step so it’’s probably best to stick to the defaults. Surprisingly, the entire printer is still run by an 8-bit processor, which does handle the delta motion itself without a hiccup but does struggle when you try to use the LCD display during a print. A 32-bit board would as always make a bit more sense for a delta and in the near future, This exact Atom 2.0, will be home to one of those. The mainboard out of the box is an Atom-branded one, which is probably based on one of the MKS boards. And surprisingly, the heated bed upgrade does not use the Board’’s MOSFet intended for that exact purpose, but instead adds a solid state relay to control the bed’’s power lines. I guess it works, but I feel like simply using a better MOSFet on the board would have been more reasonable and overall cheaper as well as more efficient. So the Atom, 2.0, comes as a kit and doesn’’t require soldering or crimping or drilling things out unless you damage the pre-crimped wires. But normally you do most of the assembly with a bunch of hex keys. While it took me 15 hours in a livestream to assemble it in a normal environment, it would probably be more of a 5 to 10 hour task. The manual is very detailed with good illustrations for each step. – probably even a bit too detailed for me personally -, but it does cover all the steps that take you from a bunch of individual parts to a finished and working machine. What could still use some work? Though, are the included slicer profiles? Sure you can get a profile for the Old Cura and soon even for the new Cura2 as well. A ready-to-go KISSlicer zip, but it’s all just for one material PLA and one layer height. So at the moment, you still need to go in and optimize each material and layer height yourself unless you’’re happy with the defaults. On the topic of materials, the Atom, 2.0, is mostly intended for PLA and while it does print the easier. Pets like TGlase. Well, the hotend’’s default PID tune does struggle to keep it steady at higher temperatures and the PTFE parts in the hotend also mean that you probably shouldn’t take it much higher than about 240 to 250°C. There are a few more kinda nitpicky issues. I have with the Atom 2.0, I mean, no dealbreakers. But you know, room for improvement. So with the heated bed upgrade, you get a larger Meanwell power supply. Instead of the external power brick you’’d use with the unheated version, However, the IEC plug you get to wire to the power supply. Doesn’’t have its ground aka protected earth pin connected, which gives the entire metal printer frame that tingly electric feeling when you run your fingers over it since it now has a capacitive coupling to the live phase. You can sometimes feel the same thing on Macbooks by the way, which also use power supplies without a protected earth pin Also. The heated bed is rather slow to heat up and cool down since it’’s a round. Pcb heater stuck to an aluminum plate, which in turn seats the glass build plate. On the flipside, though, that makes the glas build plate easy to remove and reinstall and PLA sticks wonderfully to the glass. As long as you make sure to clean it properly. Then, as I’’ve mentioned before everything in here runs off of an 8 bit processor, plus a text-only LCD, which feels out of place for a Delta 3D printer at this price point. The prints while looking really good overall do have visible microstepping artifacts, which are particularly noticeable on translucent prints and they’re, of course, not aligned with the X Y and Z axis of your part, but following the Delta’’s own coordinate system. Maybe 0.9° motors. Instead of these oversized 1.8° ones might have helped here -. Let me know in the comments. If that’’s something you want me to investigate. Or maybe just swapping out the Allegro Drivers with some Trinamic ones Also. The extruder with its aluminum hobbed gear doesn’’t perform exceptionally well in combination with the specific hotend, which does feel like it’’s a bit harder to push filament through compared to other hotends on a bowden tube. The combination works on most prints, but i’’ve had it slip and grind. As soon as the filament spool showed any sort of resistance or I used large layers relative to the print speed, which means a higher filament flow rate, so you can sometimes make out Extruder artifacts on faster prints. And while LayerOne do recommend you adding printed Bowden clips to the couplers and little fan shrouds to the part cooling fans, these aren’t included straight out of the box for whatever reason, And especially the Bowden clips make do a huge difference to the print quality since they make the Bowden system more direct and reduce retract artifacts And just small things like having to use these spring clips, which failed after a few prints to run both part cooling fans from a single output as well as having tinned wires going in screw clamps, which can be sorta dangerous in the long run. But to be honest in the end, it works. These little issues are all something you can either fix while building or upgrade down the road. If you want a better experience out of the Atom, 2.0, Print quality is well above average, anything from 250 to 50µ layers works consistently and the 50µ layer print has actually been the best low-layer-leight print i’’ve ever produced on any printer. With glossy and straight-walled parts, you do see those Delta resolution artifacts, but they are mostly cosmetical and also basically disappear on more organic shapes. It’’s not the fastest machine either and I’ve had viewers comment that it’’s still slow for a delta at the higher print speeds. But to honest. I don’’t really care about that much. Since i’’ll always prefer a single clean print to several prints that all don’’t look as nice. And stuff like the strings. You’’re still seeing on some parts are simply the result of the supplied slicer profiles which I know. Layerone are already working on improving. So price-wise the Atom 2.0, starts at 1699US$, But I would always recommend going for a heated bed since it makes printing so much more comfortable and reliable, even with PLA That adds another 349US$ to the base price, which include the power supply heated bed itself, new bed clips, the power input panel and the frame extension. By default, the frame isn’’t quite as tall and ends right here. To be honest, that is slightly expensive for a heated bed and once you factor in shipping and such it’’s solidly past 2000$, which, eh I feel is justified for the hardware since it’s all metal and custom, machined and sexy, but it’’s still a kit and it’’s still not super perfect in every single regard. If you also want the Atom, Shell that’s another 139US$. The spool holder add 39US$. Well, you could also use this crossbrace and just stick that through your filament roll. Oh, and filament their 29US$ per kilogram. Pla actually prints pretty darn well on this and on other machines. So where does that leave the Atom 2.0, Well, overall it’’s a super sturdy machine that does print well. While there are a few detail issues that still need to be fixed. It is still a well-thought-out attractive machine that works as-is but still leaves you with some room to grow if you want to start upgrading it. The things the Atom 2.0, already does well. It does really well, which is something. I prefer over having a machine that is mediocre at everything. Now the people at Layerone were happy about my feedback and criticisms – at least that’s what they told me -. But there will be an Atom 2.5. Coming out in the next few months, I will be doing an update on what changed compared to the Atom 2.0, but from what I’’ve been told, many of the things i’’m criticizing here will be fixed in the 2.5. So I hope you found this review helpful or simply entertaining. If you did leave it a thumbs up, if not a thumbs down. If you want to stay up to date as new videos, come out, get subscribed, and if you want to directly support me any my channel i’’d appreciate it if you used the eBay, Amazon or Matterhacker’s affiliate links from the video description to buy your 3D printer gear that gives me a small kickback or directly. Drop me a dollar or two A month on Patreon. We’ve got monthly live Q&A hangouts There. Which you definitely shouldn’’t miss? And that’’s about it. Thanks, so for much for watching and i’’ll see you in the next video or in the livestream every weekend here on Youtube.

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