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random error: "size check normal mode failed"

Hi, even after a successful print I get this error if I want to print the model second time. The numbers shown in the error message do not reflect the actual available size (see screen shot). When I upload a new gcode file it works - most of the time. Am I doing something wrong here? Nils

Hello Nils,

Do you want to print the model in sync or mirror mode?

best regards,


Hi David, like the title of the issue says: "size check normal mode failed" ;) Nils
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Filament Guide

  • Extrude at ~ 225o C.
  • Requires heated bed.
  • Works reasonably well without cooling.
  • Adheres best to polyimide tape.
  • Filament tolerances are usually tighter.
  • Prone to cracking, delamination, and wraping.
  • More flexible.
  • Can be bonded using adhesives or solvents(Acetone or MEK).
  • Fumes are unpleasent in enclosed areas.
  • Oil Based.
  • Extrude at ~ 180-225o C.
  • Benefits from heated bed.
  • Benefits greatly from cooling while printing.
  • Adheres well to a variety of surfaces.
  • Finer feature detail possible on a well calibrated machine.
  • Prone to curling of corners and overhangs.
  • More brittle.
  • Can be bonded using adhesives.
  • More pleasant smell when extruded.
  • Plant Based.

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