The Paperfox EVV-3 manual edge protector cutter is a very succesful product of ours.
We are working on developing an electric version.
Our latest prototype is a digital length gauge for the edge protector cutter:

https://youtu.be/Ntp0F1R-kv0?si=yfLQzSJxNNnsC5eb

When making a simple adjustable end stop for the cardboard edge protectors, the cut edge protector sometimes gets stuck between the knife and the stop and does not fall off.
That's why we made a moving stop:

https://youtu.be/irVhY-obS-w?si=I26tXesJ55p1Tj-s

Maybe I shouldn't bother with development because the simplest solution is the best:

https://youtube.com/shorts/sei3PNTLszk?si=9vSFFOwxA357bgaE

Which solution do you prefer?