18 minutes ago, paulrhee2002 said:One thing to note, i tighten all the way the wheel that keeps the filament against drive wheel and was wondering if that's too much or would that affect it negatively at all?
What kind of printer do you have?
Yes it affects things negatively. A little bit. It changes the flow rate for one thing so you may be over or underextruding (I think? Because you squish it down and *then* feed it at a given rate?).
Unless it's slipping at the feeder I would reduce the tension for flexible filaments
What kind of printer is this?
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gr5 2,243
So cura prints the bottom layer by default at a different thickness than the remaining layers. This is a bit of a wild guess but I'm guessing your bottom layer is something like 0.4mm thick and your second layer is 0.8mm thick and the nozzle just can't pump that much material that fast. So first thing:
Check bottom layer thickness.
Also the printer usually prints the bottom layer at a different speed and the fan usually turns on at the second layer.
So I'm guessing one of those 3 things is switching the printer into a mode where it just can't push hard enough on that filament. Flexibles are more difficult than hard filaments.
In addition you can print much faster if you add some oil to the filament. It seems bizarre but it works very well and the oil doesn't interfere at all with the print (this advice is for flexible filaments only). About one drop per meter is about right. You have to keep oiling it every 20 minutes or so and you have to unspool a meter or so of filament (put the back of the printer over the edge of a table so the filament can droop down to almost the floor).
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