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11-24-2017, 06:35 AM #2
way way way too fast.
Also probably too hot.
Even on a good flexibles printer, you'll not get a decent print from a soft tpu at anything much over 10mm/s
Also doesn't hurt to up the extrusion to 110-120%
And make sure your retraction is fairly short. 1.8-2mm.
But primarily, you're printing much too fast. Which is why the rubber has been deposited if fits and starts.
Which brand tpu is it ?
One way to fix this would be to buy some polyflex flexible pla.
Not the cheapest but brilliant stuff for printing with.
But going much slower with a bit more extrusion should also sort it.
Please explain to me how to...
Today, 07:24 AM in 3D Printer Parts, Filament & Materials