3D Printing Questions – Z Offset for First Layer Nozzle Height

Everyone knows that getting your first layer right is 90% of the battle to getting a successful 3D print. Even if your temperatures and everything else are correct, if your nozzle height is off you will get bad adhesion on the first layer.

Setting it up is actually pretty simple, but it can be confusing. In this video I explain, in very deep detail, what all the parameters and settings do that control nozzle height on your first layer so that you can get perfect first layers. In this video I am using a Cartesian style machine, a Prusa i3 MK2, and Marlin as the firmware – but the principles will remain constant for most printing systems.

2 Comments

  1. Hi Jules,
    Very good and helpful videos!
    I have a question, your z axis doesn’t have limit switch ? Each time uses the probe as a limit switch to stop the z axis and find the right height above the bed ? Thanks

    • julesgilson

      December 18, 2017 at 2:56 pm

      The Z probe is the limit switch. This type of probe is only useful if you have a metallic bed but there are others which work more like traditional mechanical switches.

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