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  • Posts

    • The way I see it, the problem is the coarse layer thickness evident in the photos.  There is too much overhang for the print to be successful without support.  Straight lines can be printed over free space, but here a corner is being printed unsupported.   By reducing the layer thickness, there will be less unsupported overhang.  Also, ensure the line ordering is "inside to outside" not "outside to inside".  Okay, so the print will take much longer, but...    
    • As stated above, USB-B is the peripheral end of a USB link, and it is normal for a peripheral to draw power from USB (if not self-powered).  It is not normally configured to supply power to USB.   However, regardless of what route is taken to obtain a 5V supply for the RPi, there are a lot of practical considerations.  I assume the printer has an external power brick, providing 12V or 24V DC input to the printer.  That is then reduced to a number of voltages within the printer (probably on the controller board) for running the electronics, while the motors and heaters are run at the full voltage.   If you want to tap off 5V for an RPi, where is your current budget coming from?  You cannot assume that the controller board's 5V regulator has another (up to) 5A to spare (depending on what model of RPi), nor that the power brick has an extra 25W of headroom either.  Nether would I want to be drawing 5A through a header pin.   Practically, unless you are sure there is enough power available in addition to what is required when the printer is working its hardest (max heaters, max motors), you would need to (1) upgrade the power brick, and (2) add a separate regulator to provide the 5V for the RPi.   I confess that idea crossed my mind too, some time ago, but I concluded by far the easiest solution is to power the RPi separately.    
    • How do i open and allow port & domain, i opened my firewall and confused what should i do.
    • That's great information. Thank you 😊
    • Just a heads up: if you want to try printing it in TPU, bear in mind that it also becomes a dexterity test to make all the "arms" go into their slots: (Of course I printed one in TPU, what do I look like, someone who isn’t me?)
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