Customize built-in editor
Use your preferred font with the built-in script editor in the Run Script… panel by setting user defaults on the command-line.
Use custom font
Set the scriptEditorFont
preference to the name of the custom font, e.g. SF Mono Light.
defaults write com.bohemiancoding.sketch3 scriptEditorFont "SF Mono Light"
Adjust the font size setting with the scriptEditorFontSize
preference. The default is 12.
defaults write com.bohemiancoding.sketch3 scriptEditorFontSize 14
Reset font
To revert any changes, remove your user preferences for font and font size.
defaults delete com.bohemiancoding.sketch3 scriptEditorFont
defaults delete com.bohemiancoding.sketch3 scriptEditorFontSize