What if I told you that for most boxes, you don’t even need to cut? Use the seams. Every box has natural weak points—the glued edges.
What Can You Use To Cut Cardboard? (How to) - Ready To DIY
Find a seam. Insert your box cutter blade (or even a butter knife) and gently pry it apart. The glue will let go with a satisfying pop.
Now you have a flat, unfolded sheet of cardboard. No cutting, no drama. You can now fold or tear it along any straight line you need.
It’s like the box is begging to be disassembled. You’re basically a cardboard whisperer.