In addition to the previously answered Exclude Region plugin for OctoPrint, the Cancel Object plugin for OctoPrint also works excellently.

Cancel single objects during a print based on code comment lines

This plugin allows the user to cancel single objects during a print while allowing the remaining objects to print normally. Instructions for use with compatible slicers are provided on the plugin’s GitHub Homepage.

^{Source: https://plugins.octoprint.org/plugins/cancelobject/}

In addition to the previously answered "Exclude Region" plugin for OctoPrint, the "Cancel Object" plugin for OctoPrint also works excellently.

Cancel single objects during a print based on code comment lines

This plugin allows the user to cancel single objects during a print while allowing the remaining objects to print normally. Instructions for use with compatible slicers are provided on the plugin’s GitHub Homepage.

^{Source: OctoPrint-Cancelobject}