Problem with rear side of Test Cube
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Here's a pic of the printer:
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Sorry Fredrick, but my modelling capability is V low. Could you please suggest a model from thingiverse or somewhere?
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@dmbgo said in Problem with rear side of Test Cube:
Sorry Fredrick, but my modelling capability is V low. Could you please suggest a model from thingiverse or somewhere?
Here you go.
Slice it normally but keep the layer cooling fan(s) off.
Frederick
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Thanks Fredrick
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@dmbgo said in Problem with rear side of Test Cube:
Printing now
I will check back in a bit.
Frederick
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Where are you Fredrick? If it is too late at night, we can leave it until tomorrow.
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@dmbgo I'm here.
Frederick
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The disk is printing at 30 mm/s. It will probably take about 20mins more.
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@dmbgo said in Problem with rear side of Test Cube:
The disk is printing at 30 mm/s. It will probably take about 20mins more.
What does it look like so far?
Frederick
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OK.
I'll check back in 15 mins.
Frederick
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The bed levelling is a bit out now, but I dont think it will affect the disc
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Almost there...
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@dmbgo said in Problem with rear side of Test Cube:
Almost there...
It's going as I expected.
Frederick
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Just covering the top now.
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is your bed level? looks like the nozzle is closer on one side of the print than the other. a bad first layer can make trouble for the rest of the print in abs, especially if you are printing small items with short layer times. I would try leveling the bed so the first layer looks perfect and printing 2 test cubes instead of one to give each layer enough time to cool off before the next layer hits. I forgot to ask how ridged is your carriage? is there any play or slop in any direction?
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Fredrick, it has printed.
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@dmbgo said in Problem with rear side of Test Cube:
Fredrick, it has printed.
I think you may just be seeing ABS shrinkage.
You do have a bed adhesion issue on one section and I imagine you can see that.
If you have some PLA perhaps print the same object and see what you get.
Have you got any PETG you could try? It's a good alternative to ABS and it doesn't have the kind of shrinkage issue that ABS has.
Frederick
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@antlestxp,
The bed isn't level atm, the bed is usually level though, I just wanted to get the disk printed before it was too late for Fredrick.I will now try printing 2 x test cubes at once, since, as you say it might be caused by the print failing to cool fast enough.
