To understand where SmartCarve 4.2 fits, here is a quick comparison against RDWorks (its predecessor) and LightBurn (the popular cross-platform alternative).
Use the command in AutoCAD to remove duplicate lines that could cause double-cutting and charring. smartcarve 4.2 software
The scan gap (DPI equivalent) is the distance between laser lines. A common mistake is setting it too high (fast but grainy) or too low (slow but burnt). Use this formula within SmartCarve: To understand where SmartCarve 4