====== What causes parts to be knocked off or shift on the bed plate? ======
{{tag> faq articles}}

Normally this is caused by a combination of the following issues:  

==== Poor Choice of Infill Pattern ====

Infill patterns that cross already drawn infill lines (e.g. grid) are inconsistent with high print velocities. Use patterns like Cross Hatch, Gyroid or Honeycomb instead. Patterns like Cross Hatch offer a good balance of strength and speed along with requiring less infill density (%) than other patterns to achieve the same coverage. 

==== Misaligned Gantry ====
see [[aligning the gantry]]

==== Flow Ratio Too High ====

  * Tune Extruder Rotational Distance
  * Tune flow ratio
  * Tune Pressure Advance

==== Bad gcode Z Offset ====

Properly set [[z-offset]]

==== Other Tips ====

  * Retract between layers and enable z hop on retraction 
  * Avoid crossing perimeters