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About theintrospective

  • Birthday 03/11/1974

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  • Field of Work
    (Product) design
    R&D / Exploration
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  1. The resonance appears to be gantry-related, rather than an issue on Z. The Z on mine is pretty good, and I don't have a problem with banding at all. Keep in mind, the newer models have a reinforced (more rigid) gantry and Z that I don't have (mine is an early model, despite it's upgrades). The open design hasn't caused headaches for me. I expected problems related to that piece of design, but it just hasn't been evident. I've included the most extreme example I have. This was from a model printed 90 degrees to what you see in the image (hull pointing into the air). This was printed at 80mm/s, and is a 'vase mode' model. The lines on the lower hull are not resonance, but part of the model. The noise on the fleetside is. The hull you see is about 5" tall. The image below is what you can expect of a 0.25mm layer height printed at 60mm/s with some (pretty crappy) generic filament. Finally, the image below shows vase mode at 60mm/s (it was a cooling comparison I did with/without). This is on the more extreme end of what you could expect. Not terrible, by any means, but it's there. -Dirk R
  2. As an owner of several printers, including the Type A Series 1, I can say it's a decent machine. While most machines have their problems, my experience with it has been pretty darned good, and well above most else of what I've owned. It has hands down my favorite hot-end/extruder design, and can get pretty darned hot, as it's all-metal, and is light-weight. It's pretty reliable, and my print quality has been excellent and predicable. The only thing to note is it can develop resonance at high speeds, particularly in curved surfaces, but this hasn't been a deal-breaker. The web interface it has built in is based on Octoprint, but the interface has been cleaned up a bit. Not a lot else to say here. Configuration and calibration was easy, and the bed level has rarely needed adjustment. The issues I've had were primarily with previous revisions of the gantry cables, which they revised and upgraded for me. Here's an old timelapse of a print running on it (pay no mind to the glue build-up). What I own/have owned, so you can get an idea of my experiences: Printrbot Metal Simple, Printrbot Play, Raise3D N2+, Type A Machines Series 1, SeeMeCNC Eris, HicTop Aluminum Prusa i3, Kodama Trinus -Dirk R
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