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Inner Perimeters

Posted by N314

N314

Inner Perimeters
February 01, 2013 06:49PM

Registered: 12 years ago
Posts: 188

So ive found that whenever I do a circular feature that gets smaller on the way up, the inside comes out bad. (like the inside of a cone)

There are string of the perimeter that don't stick.

Anyone know the solution?

-Nick

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Anonymous User

Re: Inner Perimeters
February 01, 2013 09:48PM

What is your layer height setting and the size is your nozzle? Also, if you could post some pictures of your prints that might help too.

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N314

Re: Inner Perimeters
February 04, 2013 06:12PM

Registered: 12 years ago
Posts: 188

.1875 Layers. .25 Nozzle.

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Dirty Steve

Re: Inner Perimeters
February 04, 2013 09:09PM

Registered: 11 years ago
Posts: 560

I think that layer height with 4 decimal places is hard for printers to mechanically handle.

From my printing with a .25mm, a .20mm layer is about the max a .25mm nozzle can handle cleanly. Reprap calculator suggest a .15mm layer. [calculator.josefprusa.cz]

I normally print at .10mm for quality, .20mm for speed.

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N314

Re: Inner Perimeters
February 04, 2013 09:34PM

Registered: 12 years ago
Posts: 188

Ive tried different layer heights and for some reason, .1875 looked nice.

-Nick

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PeteD

Re: Inner Perimeters
February 05, 2013 05:54PM

Registered: 11 years ago
Posts: 102

Just curious, how many steps does your Z axis stepper require to move 1mm? If 0.1875 is a multiple of that, it would probably explain why you are getting good results with it.