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Posted · Infill Stringing

I've been using V4.0.0 for some time and getting good results even though my Ender-5 was not on the printer list. I tried several newer versions but was plagued with stringing problems. None of the published solutions would solve the problem. After solving my display problem, I went back to V4.0.0 from V4.4.1 trying V4.2.1 on the way. My parts are often thin wall cylinders, 1.2mm wall, with index bumps on the outside. With all later versions, a 100% concentric infill would result in the print head jumping from someplace on the cylinder to another to deposit a small amount of filament in the area of an index bump. As it crossed over to the other side of the cylinder, it would leave a string across the middle. These strings would stack up vertically leaving a vertical ridge on the inside and difficult to remove with a knife.

 

On V4.0.0, it would follow the already printed surface to deposit the extra infill thereby eliminating the crossover and the strings. This appears to be a bad philosophy for handling infill. If a small amount is needed then it should be printed while the nozzle is already at the adjacent thread. I did not try V4.1.0 as it did not have an Ender-5 in it's list. I know that V4.2.1 has this bug and probably all versions thereafter. If someone knows how to fix V4.4.1 then I'd like to know how so I can get the latest Ender-5 settings.

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