Transition tower and calibration changes

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4 comments

  • Avatar
    Nitehawk

    Having some additional options to defining the purge towers would be very helpful.   I've been having issues with the towers releasing from the build bed as well.   Adding a brim to the tower would likely resolve the problem for me as well.

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    J.R.

    I have been doing some more experimenting and found that reducing the Max Density helps avoid warping. With it set to 50%, I successfully completed a 20mm tall print in two colors of ABS, but at least one corner was starting to curl up.

    This also uncovered a bug: in another print, I used a weak color for the first extruder and a strong color for the second extruder. The first layer of the tower printed with a density well below the Min Bottom Density. (not sure if it is 50% of 50% (Min Bottom Density) or 80/140 of 50% (Min Transition Length) )

    In addition to this bug, it would be nice to have the Min Bottom Density be independent of the Max Density, for example so I could have a 100% dense first layer for adhesion, but keep a 50% max density to avoid warping for all other layers.

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    Manmeet S

    Hey J.R thanks for the thoughts. I understand that some features from other slicers might be needed that CANVAS does not currently have and we are working to close that gap however we do allow for independent minimum density and max density within CANVAS. I would say the strongest alternative to CANVAS in terms of features would be Prusa slicer with P2PP (http://mm3d.co/p2pp) which might help you with the issues you're facing with ABS peeling. 

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    Nitehawk

    I still have a bit of tweaking to do with P2PP, but first print with it turned out pretty clean.   P2PP opens a lot more options for prints and greatly simplifies the print setup process.  Staying in one tool and being able to use the 'send to octoprint' option is a big time saver!

     

    Thanks for the pointer.

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