I pointed at the Voron community because there are people there buying plenty of over the top things for their printer as modifying the printer is more the hobby than printing things beyond speed/torture tests. For example, people are spending $150 for a carbon fiber gantry to replace the 2020 extrusions. There's also the $30 CNC aluminum option that only replaces the bit that moves in the y axis. The current iteration of the flex3drive looks like it would be around $100 to my door, which doesn't seem that expensive if you're chasing grams.
As for routing the flex drive in an enclosure, that's something that people who have gone umbilical have to deal with. Bundling the flex drive along with the wiring umbilical makes sense and would help support the wiring. I would personally either mount the extruder motor on the back of my gantry, where my umbilical gland is currently, or move both my umbilical and the flex drive to come in the exhaust vent. Both have compromises, especially with taller prints on the 2.4.
Most metal printers I've seen are SLS printers that basically used powdered metal instead of powdered nylon. Nylon SLS printers are still $15k. I imagine, but could be wrong, that a metal printer would require a beefier laser, which would drive costs.
It does seem like a pretty cool design that offers the best of both worlds. Direct drive filament control and Bowden extruder weight. I wonder why no one else has made something similar. There are people running crazy Vorons and what not chasing grams, but many of them still have direct drive extruders.
I would be surprised if it's your bed since the artifacts are happening in x and y, but I guess we will find out.
You got me curious on your extruder, there's a worm gear in there. You would have a pretty nuts gear reduction. The fact that you can get the building to change frequency is interesting.
I'm sorry to say good luck, but I'm out of ideas :(
Two thoughts. First, I don't know how much I would trust the Prusa EM tuning method. You really need a micrometer to measure something that small and measuring that precisely takes practice.
Second, my old i3 clone did the same thing. I was never able to track it down, despite a lot of effort, but strongly suspect it was related to having a direct drive extruder without any gear reduction. My hunch was that it was related to micro steps. Does the zesty have gear reduction or is it driven directly from the extruder stepper?
This can also be one of the frustrating parts of open source.
Find something you don't like? Fix it. Will the repo owner approve your pull request? Who knows. Maybe they're a bit absentee. Maybe they view the original behavior as working as designed. Maybe your design doesn't fit their architectural model, so they'll (eventually) heavily refactor your changes and merge them in.
You can always stand up a fork, but keeping those two at feature parity and going in the same general direction can become harder and harder with time.
That's not to say not to try! But it also means reaching out to the repo owners/maintainers before making your first change.
Strategic lawsuits against public participation (also known as SLAPP suits or intimidation lawsuits), or strategic litigation against public participation, are lawsuits intended to censor, intimidate, and silence critics by burdening them with the cost of a legal defense until they abandon their criticism or opposition
There are many, many variants. The idea is the smaller player can't really afford to fight in court, so even if the larger actor has shaky legal claims they will still win.
I am amused at the up and downvotes on your comment. Have an up vote from me :)
A 7.0 log10 lethality means that a process has reduced the number of harmful bacteria, like Salmonella, by a factor of 10 million, effectively killing 99.99999% of them
This is the same way they measure the time duration you need to hold poultry at 165°F for.
Here's a fun thought experiment: egg whites collegiate (ie are considered cooked) at 150° F. To reach 7.0 log10 levels of salmonella killing you would have to either have to hold your eggs at this temperature for 72 seconds or cook them to a higher temperature and hold them there less long. I don't know about you, but I like over easy eggs. The center of the yolk gets no where near 150.
Yes you can, but you're not going to be able to cook to order.
It's all about the meat's internal temperature and the amount of time it's kept at that temperature. If the meat could reach 165° F instantly it would kill everything. If you hold it at 120° F for two hours you kill nearly everything.
Accurate. You could do this in an oven or grill too, but you might dry things out some. It's all about the meat's internal temperature and time. If the meat could reach 165° F instantly it would kill everything. If you hold it at 120° F for two hours you kill nearly everything.
I did retail a while ago. It wasn't hard to climb if you're moderately competent and not a d-bag. There is a somewhat low ceiling from what I recall. At my store at least, most of the people that reached upper level store managerial roles tended to do so by opening a new location.
People skills might be part of the equation, but that also applies to IT/dev work too - especially if you find yourself in any kind of lead (tech and/or managerial) position.
I think hesitancy you're seeing comes down to earnings potential and the fact that our society tends to look down on "low skill" work, especially retail.
I had a similar arc, but I would be lying if I said I wasn't thinking about going back.
I worked retail for two years post highschool. Looking at my coworkers, some of whom were in their 40s/50s and still at pretty low level positions, made me go to community college and then a four year school.
14 years later working on software (dev, highly engaged/invested PO, now PM) and I either have a more clear-eyed worldview or a my company is starting to fall apart. I'm very over our command and control leadership that's been touting the next new framework only to continue to command and control in that framework and then claim "that framework was actually bad, this new framework is good". The battling between teams building basically the same things, but for their niches of the world, "how I want it" coming every which was as opposed to thinking about what we should be solving, everything being the top priority, actions mattering more than results, etc. Layer in process debt that goes back to the 1950s and technical debt going back to the 1980s. I know younger companies don't have the later two problems, but from lurking in dev related communities for years everything else seems pretty common.
At my retail job the worst I had to deal with was the occasional grouchy customer, which just meant calling a manager to deal with it if I couldn't. We're doing the best we can to stash away money. We've started doing math to say, "we might have to work longer in total, but if we were to take lower paying jobs at
100% with you on places like Culver's. At McDonald's new price point I would rather go somewhere slightly more expensive and get better food and/or experience.
I pointed at the Voron community because there are people there buying plenty of over the top things for their printer as modifying the printer is more the hobby than printing things beyond speed/torture tests. For example, people are spending $150 for a carbon fiber gantry to replace the 2020 extrusions. There's also the $30 CNC aluminum option that only replaces the bit that moves in the y axis. The current iteration of the flex3drive looks like it would be around $100 to my door, which doesn't seem that expensive if you're chasing grams.
As for routing the flex drive in an enclosure, that's something that people who have gone umbilical have to deal with. Bundling the flex drive along with the wiring umbilical makes sense and would help support the wiring. I would personally either mount the extruder motor on the back of my gantry, where my umbilical gland is currently, or move both my umbilical and the flex drive to come in the exhaust vent. Both have compromises, especially with taller prints on the 2.4.