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gregory.collette
(@gregory-collette)
New Member
PETG Anti stringing Brush upgrade

https://hackaday.com/2019/11/25/wipe-your-nozzle-to-avoid-stringing/

AUTO WIPE YOUR NOZZLE TO AVOID STRINGING

Please Mr Prusa can you do this ?

Posted : 25/11/2019 3:22 pm
gregory.collette
(@gregory-collette)
New Member
Topic starter answered:
RE: PETG Anti stringing Brush upgrade

Another version:  https://www.prusaprinters.org/prints/10338-e3ds-toolchanger-adjustable-cleaning-brush

AUTO WIPE YOUR NOZZLE would be a great option in PrusaSlicer

You could sell this : https://e3d-online.com/v6-silicone-socks-pack-of-3  "helps with sticky materials like Co-Polyesters and filled materials that like to build up on nozzles"

Posted : 26/11/2019 8:09 am
bobstro
(@bobstro)
Illustrious Member
RE: PETG Anti stringing Brush upgrade

Uhm... No thanks. Better to calibrate your filament settings to minimize ooze. A brass brush is not good for coated nozzles. I'm not too impressed with the Design Prototype Test YouTube channel cited in the Hackaday article. Expect to see a video where he claims his ideas have been stolen. 

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 26/11/2019 9:02 am
gregory.collette
(@gregory-collette)
New Member
Topic starter answered:
RE: PETG Anti stringing Brush upgrade

@bobstro

I do calibrate for minimal stringing, but with big prints (>12h) there is sometimes a small accumulation of materials, and then a blob appears.

Posted : 26/11/2019 10:58 am
bobstro
(@bobstro)
Illustrious Member
RE: PETG Anti stringing Brush upgrade

Makes sense. Some other printers do have a brush built in. Definitely try a coated nozzle and silicone sock before doing anything too drastic. The DPT guy is a bit... interesting sometimes. He puts out videos on common themes, then claims ownership of them and whines about being ripped off if anybody does anything similar. 

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 26/11/2019 3:38 pm
KevinK
(@kevink)
Trusted Member
RE: PETG Anti stringing Brush upgrade

@bobstro

Glad to see someone else feels that way about the DPT guy.  Watched a few of his and a) I question his judgement on things and b) he seems to want to claim ownership of the world.

Posted : 27/11/2019 3:46 am
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