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3 yr. ago

  • Here’s what that looks like for me. Basically a controller_fan configured to kick off with the steppers.

    #Case fan for cooling when heating bed [controller_fan controller_fan] pin: YOUR_FAN_PIN_HERE heater: heater_bed stepper: stepper_x,stepper_y,stepper_z heater_temp: 40.0 fan_speed: 0.8 shutdown_speed: 1.0 kick_start_time: 0.5

  • Is it running Klipper or something else?

    In Klipper I have my controller board fan set to speed up only when there’s any active heaters or stepper drivers?

    E.g. fires up only when moving/heating or printing but not when idle. Even then it’s set to a reasonable 80% threshold.

  • I always took the unhinged erratic behavior as the point (Ala Ledgers Joker) but I appreciate you sharing your thoughts on it.

  • I don’t think so… just thinking of some of the best performances of complex villains lately.

  • Add the Amanda Plummer as Vadic. Those are some phenomenal performances.

  • I feel you on getting these things settled. My Frankender is pretty reliable and making sure the foundational stuff is good is key.

    Here’s a comment I made here about a year back breaking down how to square, align and level these things

    https://lemmy.world/comment/7904011

    The context is Klipper which I’m running but the physical stuff applies across the board

  • May be a good time to see if there bits of filament in the extruder gears and if they’re ok. And, if they are, to clean the nozzle either by using filament or a cold pull.

  • And there’s the issue with embedded security stuff.

  • Because they’re really good out of the box printers and prior to this for somebody that wanted something that “just works” it would be Prusa or Bambu I’d recommend.

    I love tinkering and tweaking and I’m building a Voron but it’s not hard to understand how overwhelming choices can be and it’s understandable that people would choose to lock into an ecosystem specifically because it lets them just print.

    I would never buy a Bambu and wouldn’t recommend it for anybody building a company with essential components having them in the pipeline but then again most people aren’t that aware and their research, understandably, led them to buying one.

    I agree with OP, this is an opportunity to be empathic and to help them. And they’re learning the hard way a lesson they’ll take forward. I’d prefer that lesson to be “more careful” and not “these people are snobs”

  • If there’s no periods of rest… yes.

  • There’s also the retraction/wipe of filament. So if you can’t do it inside the print then the tower is used to give that surface to wipe off against.

    Worst case then would be boogers/wisps

  • The blood vessels can be permanently damaged from an erection that long so it tracks.

    This is why the Viagra commercials have that “if you have an erection lasting longer than 4 hours” bit. It is a serious issue that if not addressed can lead to permanent damage that can make it impossible to have an erection.

  • That’ll do pig… that’ll do.

  • Oh that sounds like fun.

  • Oh they could have. To be honest I’m not sure why they didn’t.

  • Exactly. It’s not that it’s a small amount. It’s the “why”.

    What did I mess up and is it going to require a team of people to prove there isn’t some nefarious thing going on.

    Same reason you get mailed a 12 cent check that cost them more than 0.12. It makes the books make sense and if the check expires then the amount moving into the right account then also makes sense.

    So they can sign off on the numbers as being correct.

  • Or any company. Accountants absolutely hate Pennies missing. Dollars are easier to stomach but Pennies makes them nervous that some miscalculation that signals a bigger issue is going on.

  • If it’s only overhangs then you may want to look at increasing the time between layers or increasing the part fan speed on overhangs.

    This way there’s time for the layer before to solidify enough before adding more heat and melted plastic above it.

    May not be it but it does have a kind of “overheated” look to it.

  • No need to feel like an idiot, I’ve done it too. Even looked up how to do some obscure thing only to find a link I’ve read before and comes out I have a bookmark for it from a year or so ago.

    As for switching settings across objects I agree. I use these things when dialing in one setting across a range such as flow rate. Never for an entire print, though, since a failed print component is going to be dragged across others, etc.

    Or the change in temp, flow, retraction, etc may cause strings, or blobs, etc. to affect the others when it’s printing the layers. Unless you’re doing one object at a time which presumes they’re small enough, etc. And even then it failing could mean what remains of the entire object may be dragged across hitting others. It’s just not worth the hassle.

    It does show them thinking about processes which is a good mindset to have though.

    Experience is a good teacher in this hobby.

  • Not per item “Profiles” but a lot of slicers let you do overrides.

    For example you can override with per object settings in OrcaSlicer (and I presume Bambu). In Cura you can add settings that even apply to a box region (such as increasing infill in a certain weak part of a print or using adaptive layer height just as the top of some Conical shape)

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