# Repair Sketch
The Check Sketch command is used to find all unclosed outlines in the sketch that are within a set range.
Drawing Steps
- Click Check sketch
to turn on the Check Sketch command.
Gap Size：Sets the size value of the gap to show all gaps that are smaller than below that value. After changing the value, click Refresh on the right to find it again.
Quantity：Look forward and backward for different gaps.
Problem description：Hints of gaps or coincidences, etc.
