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hymal7

weird bug - extra sprinkles of objects

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Posted · weird bug - extra sprinkles of objects

Hi all,

I was using the Cura beta 2.6.1 for a while. I printed in Nylon without support material and they were OK.

Today, I tried to print in Nylon and PVA as support material - a strange extra structure appeared (see images attached). This happened with every model I loaded when I changed the setting to include PVA as the support material.

I recently upgraded to Cura 2.6.2 and the problem still persists.

Did anyone have a similar issue?

Does anyone have a solution to this problem?

Your help would be much appreciated.

Thanks

Himal

bug1_1.thumb.png.04d5020eff8106db871eb78d6cfdf1f8.png

bug1_2.thumb.png.bc2738d11aaaea097e5a9e7bcfc750a7.png

bug1_3.thumb.png.2377a04cab8cec02add4389221d83746.png

bug1_1.thumb.png.04d5020eff8106db871eb78d6cfdf1f8.png

bug1_2.thumb.png.bc2738d11aaaea097e5a9e7bcfc750a7.png

bug1_3.thumb.png.2377a04cab8cec02add4389221d83746.png

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Posted · weird bug - extra sprinkles of objects

OK so I also changed the material settings to see which ones show this error when selecting to print PVA support material.

Material settings that show the problem:

CPE, CPE+, NYLON, PC, TPU 95A

Material settings that don't show the problem:

ABS, PLA, PP

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Posted · weird bug - extra sprinkles of objects

That extra object you have circled is the priming tower. Under the dual extrusion section, you will see it is checked.

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Posted · weird bug - extra sprinkles of objects

That extra object you have circled is the priming tower. Under the dual extrusion section, you will see it is checked.

Awesome ! Thanks for the help @kmanstudios !

Panic over.

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Posted · weird bug - extra sprinkles of objects

That extra object you have circled is the priming tower. Under the dual extrusion section, you will see it is checked.

Awesome ! Thanks for the help @kmanstudios !

Panic over.

You are quite welcome :)

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Posted · weird bug - extra sprinkles of objects

The sprinkles are testament of our Dutch culture! Once they've been printed, put them on your bread and enjoy.

They are intended. It's actually the nozzle wiping off dripped filament and purging a bit extra before starting with the prime tower. We've purposefully distributed them with the golden ratio along the inside of the prime tower in order to prevent them all from clumping together (which topples the prime tower).

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Posted · weird bug - extra sprinkles of objects

That extra object you have circled is the priming tower. Under the dual extrusion section, you will see it is checked.

 

True, Kmanstudios.

It's not on by default for all materials (for example it's not on by default for PLA), but for CPE, CPE+, NYLON, PC, TPU 95A, it's on by default to help create a cleaner print. PLA tends to print okay without it. You can choose to turn it on or off, but for a material where Cura has it on by default...it's probably a good idea to leave it on.

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