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HEMERA 3D PRINTER FULL
HEMERA 3D PRINTER SOFTWARE

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This Week In Security: Oracle Opera, Passkeys, And AirTag RFC 9 Comments * My gut says the circularity difference is probably in the care they spool the filament since there are many opportunities to deform the filament even if it was extruded from the machine perfectly, but it’s not like I’ve toured the manufacturers or anything. And to clarify the “pattern” is really only a pattern in the surface you could see in the highlights from a bright light, but I was going down a number chasing rabbit hole at the time and was see how close to perfect I could push that printer *shrug*. I felt better when the 3d print’s surface patterns correlated to the twist in the filament diameter vs something mechanical in the machine though. The top shelf stuff seems to have much better circularity*, which I’ve seen show in the surface of prints occasionally *cough* I maybe possibly wasn’t printing at normal speeds or temps when I finally decided to measure the corkscrewing diameter by hand over a few feet. Lots of decent brands are within the tolerances the report… in a particular dimension at some cross section of the filament. Well, this is kind of what I’ve thought from my hand measurements throughout rolls for awhile. And from a tech YouTuber perspective, popular systems add value by themselves in the form of more views and audience engagement from people who want to do the same project. You could cost optimize a system like this, but at low volumes, the biggest cost is time. Once you have a few projects done, you’ve got the toolchain setup and can likely reuse your own work for the next project accelerating it further. Combine 2 or 3 projects from GitHub and you’ve got a complete system in hours. An Arduino gives you access to a wide variety of open source examples of USB communication from both the host and device sides and an easy library for peripheral communication for the sensors and if you use it on one project.

HEMERA 3D PRINTER SOFTWARE

Rapid iteration comes from a healthy library of software that can interact with the MCU. It is never worthwhile to cost optimize prototypes when the biggest value is rapid iteration. I do that all of the time with projects, the net result is they never get done or I end up on redoing it with the right equipment. In some applications, it just doesn’t make sense to optimize for price. Posted in 3d Printer hacks Tagged abs, diameter, filament, hall effect, magnet, PETG, PLA, quality control, sensor Post navigation

We’ve seen a few of those before, but this is a neat twist on that concept. When we see a filament sensor, it’s generally more of the “there/not there” variety to prevent a printer from blindly carrying on once the reel is spent. ran several different spools representing different manufacturers and materials through the machine we won’t spoil the results in the video below, but suffice it to say you probably have little to worry about if you buy from a reputable vendor.

HEMERA 3D PRINTER FULL

The full test rig has a motor-driven feed and takeup spools, and three sensors measuring across the filament in three different spots around the radius the measurements are averaged together to account for any small-scale irregularities. The lever is attached to a roller bearing that rides on the filament as it spools through the sensor variations in diameter are amplified by the lever arm, which wiggles a magnet over the Hall sensor, resulting in a signal proportional to filament diameter. Rather, used a very clever homemade device, which relies on a Hall effect sensor and a magnet on a lever to do the job. Those exist, but they are expensive bits of kit that are best left to the manufacturers, who use them on their production lines to make sure filament meets their specs. The heart of this build is not, as one might assume, some exotic laser device to measure the diameter of filament optically. Inquiring minds want to know, and when such minds are attached to handy fellows like, you end up with something like this home-brew filament measurement rig to gather the data you seek. Just how tight are the manufacturing tolerances of modern FDM printer filament.