# Retraction Z Hop If this setting is enabled, the nozzle will be lifted above the print slightly when the nozzle needs to travel from one place to another. The aim of this is that the nozzle goes over the print instead of hitting the previously printed parts with the nozzle. Whenever a retraction is done, the nozzle is raised (or the build plate lowered) to create clearance between the nozzle and the print. This has several advantages: * It prevents the nozzle from hitting the print during travel moves. When the nozzle hits the print it leaves a visible scar, so it should improve the visual quality of the walls of the print. * Blobs on the surface have a chance to knock over your print, so enabling this setting can improve reliability. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.c6.fabheads.com/modules/print-settings/advanced-settings/extrusion/retraction/retraction-z-hop.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.