A plot file holds the paths a plotter travels, either with a pen or with a blade.
Most plotters read DXF or PLT. What matters is that the file carries real millimetres, otherwise the machine cuts a perfectly clean version of the wrong size.

Digitize sewing patterns without tracing.
Test PatternScan Pro free for 14 days with the full feature set. You need your smartphone, a printer and one pattern you always wanted digital.