For all MYCUT vinyl cutters, the max cutting force is optional. Normal cutters are with cutting force 500g. If you need to cut stronger and thick materies, such as 3M diamond reflective film, please choose cutting force 1000g.
Please visit the following link to see MYCUT 3M cutter to cut 3M reflective film
https://www.youtube.com/watch?v=nbk0kqpq1j8
For better cutting effect, when cut 3M reflective film ,you need to set offset, for detail welcome to visit :
http://www.mycutcutter.com/info/the-offset-setting-of-mycut-vinyl-cutter-19882205.html