*Important note: Maintenance is included for those who have purchased a monthly or yearly subscription of SketchList 3D. For those who have made a one-time purchase of SketchList 3D, maintenance is completely optional.
If you decide to purchase maintenance, please choose the maintenance option (Pro or Hobby) that corresponds with your SketchList 3D License.
SketchList 3D's maintenance includes fixing issues in the software, making changes needed to respond to changes in the hardware and software environment (for example, new releases of operating systems), and providing additions and improvements to SketchList 3D functionality.