• 2 Posts
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Joined 2 years ago
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Cake day: June 10th, 2023

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  • If you’re going the route of a stealthmax, the v2 version has a servo controlled vent, original version it’s manual. All filaments give off material you don’t want to breath, nevermore has good info on this in the micro repo. Personally, I’d always aim for enclosed no matter what, the most I have in my garage is a box fan w/ decent furnace filters taped to it (works for wildfire smoke), I’d be venting outside if I had to setup inside the house.

    I only ever had filtered recirc and exhaust on my enclosures, I’d rather keep it slightly negative to ambient air to try keeping the atmosphere inside the printer.



  • Total anecdote, I had similar washboarding with my mk3s, I did a bed levelling mod that replaced some of the standoffs with silicone tubing spacers and that helped a lot. It was always in the same spot and it would mostly show up on prints that covered large areas and toward the edges of the bed.

    I do echo others though that I do think extrusion multiplier and first layer offset do play a role with it, petg doesn’t like the same amount of squish that you can get away with using abs (not to say it doesn’t happen, just doesn’t look as rough, it doesn’t cause a failed print for me and I don’t mind a quick cleanup with a deburring tool depending what it’s for).

    Does it show up if you flip the sheet just as a thought? I recall having a bit more of an issue with one side of my satin sheet for example. Last thought, could be worth giving things a long heat soak before doing meshing and homing, make sure everything is more or less stable expansion wise.




  • I’d totally suggest looking for used prusas personally, something like a mk3s is definitely slow by today’s standards but they’re super capable, very simple and easy to maintain. I’ve modded mine to the point that the rails and axis steppers are the only original components and planning another mod right now. If you could find one for a reasonable price it’s a great platform.

    If you are willing to spend a bit and want a kit/something new, I really like Vorons and other open source printers, I’ve seen decent reviews of some of the formbot kits for something like a v0.2, includes a bunch of mods you’d probably look at eventually anyhow, I’m not sure if this is in USD or localised to CAD but with printed parts and a dragon hotend (highly recommend, v6 hotends are a pain imo, they work but having the block fixed is so much nicer) is $429 from china. It’s capable of printing every part for larger Voron models (and obviously stuff like abs) and is more importantly enclosed.

    Add something like a nevermore micro to it (component kit) and you’re solid (recommend enclosed and filtered, ideally you don’t print in the same room you’re in without good fume handling, I’ve done unenclosed abs in my office back 12 years ago, abs these days doesn’t stink as bad but from experience it’s super unpleasant, 0/10 do not recommend, I did it exactly once)





  • Are you able to mess with the first layer offset on the bambu printers? May need to bring your nozzle a bit closer, especially with a textured surface. Temps seem comparable to the stuff I have on hand.

    For cleaning, is soap and water compatible with your surface? Personally found that while IPA is fine for maintenance, a few drops of unscented dish soap in water works extremely well as a degreaser, I’ve literally washed stubborn surfaces in the sink. Petg is super picky with any residual oils and the small nozzle could totally make that worse.

    Maybe try running slower? Just to eliminate variables, may be worth running a quick extrusion calibration? Petg can be an absolute pain for bed adhesion in my experience.