7.20.4.2.  Sketcher (hist.) Menu item

7.20.4.2.1. Color settings
7.20.4.2.2. Performance
7.20.4.2.3. Grid
7.20.4.2.4. Mouse
7.20.4.2.5. Shortcuts

PARTdesigner → Tools Menu [Extras] → Preferences... → Sketcher (feat.)

Settings [Preferences] → Sketcher (feat.)

Settings [Preferences] → Sketcher (feat.)