First few layers purge interfers with the bed on mk3s.

Homepage Forums SimplyColor3D + Retractable purge mechanism Forum First few layers purge interfers with the bed on mk3s.

This topic contains 3 replies, has 3 voices, and was last updated by  BigBrain3D 1 week, 5 days ago.

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  • Author
    Posts
  • #584

    keithywhites
    Participant

    How do i get it to purge never under 25mm of height because the mechanism is hitting the bed. Prusa slic3r and chroma.

    #586

    keithywhites
    Participant

    Heres what i mean. What do i change in my tool change gcode?

    Images:
    #594

    gnat
    Participant

    Just add a Z hop (e.g. “G1 Z40 F10000”) if the current height is less than the minimum height to clear the bed.

    #595

    BigBrain3D
    Keymaster

    Just add a Z hop (e.g. “G1 Z40 F10000”) if the current height is less than the minimum height to clear the bed.

    Exactly!
    15mm is the maximum amount we use in the gcode generated by SimplyColor3D. Specifically for Prusa i3 MK3S.
    Then we reduce that value with every layer by the layer thickness so as to use the least amount of time possible for purging.
    Those z moves aren’t free 😉

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