The Silhouette Studio® software (V3.0 and higher) offers a Line Segment Overcut or Tangential Mode option when cutting.
This is found in the Cut Settings panel as you seek to define your cut conditions. Once a material type is selected, you will find a Line Segment Overcut option that can be turned on or off by clicking on the desired option:
Selecting the "Off" option will have all lines cut normally. Selecting the "On" option will have all straight corners cut with a slight overcut. This option is beneficial for providing cleaner cutting results in the following conditions:
The option will have no effect on rounded edges. It is only effective for images containing sharp edges in order to acheive the best cutting results possible under the conditions listed above.