QC Chemist

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  • 28 Comments
Joined 1 year ago
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Cake day: June 15th, 2023

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  • I’m going to make the assumption that is PETG you are working with. I had cobwebs like that when I tried moving over from doing PLA. There were a few things I had to work out to get better prints.

    1. Slow down the print speed and work up once you get acceptable prints. Try 40 to 50mm/s to start.
    2. Increase filament retraction. Default I think is like 0.2mm, try 1.0mm instead.
    3. Increase the travel speed. I’ve used 350mm/s, which helps break strings, as someone else already suggested.
    4. Drop the extruder temperature. PETG gets more stringy as it gets hotter. Lower temp may help, and if you aren’t trying to print at warp speed, bonding should still be good. Do small test prints to see where your cutoff is. Also, if the cooling fan on that Sovol is a bit anemic then printing cooler lets each layer solidify before the next one gets added. Hopefully you get things worked out, good luck.






  • Not a laptop, but I had an old motherboard from over 20 years ago not doing anything. Screwed it to a board on the wall of my shop. Added an old hard drive and some components out of the same old box it was in, and now have it running Mint. Found an old wifi card that works too, so I can look up parts and repair videos while I’m working on projects. Works great.



  • EchoCranium@lemmy.ziptomemes@lemmy.worldWait, not like that
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    6 months ago

    I wish the US had made the switch to metric back in the 70’s. I remember having to learn it in grade school, and there seemed to be a push for it, but never went anywhere. I now work as a chemist where everything is done in metric, but then go back to US measures once I punch out for the day. Would be nice to have a single system instead.