How to Easy Reshape a shipping box
Turn any corrugated box into a different size with just two slits and a fold. No material removed, no waste, and the box still looks clean and professional from the outside. Takes about 60 seconds.
Watch it in action
Video: Easy Reshape in action — cut the flaps, fold on the new line. No waste.
Step-by-step guide
Example: 12×6×6 box → 15×3×6 (cut 6" flaps in center)
Measure your item
Measure the length, width, and height of your item. Add about 1 inch on each side for padding and void fill. These are your target box dimensions.
Calculate the slit position
Decide how many inches to narrow the box. For example, to turn a 12×12×12 into a 12×6×18: you're reducing the width by 6 inches (12→6), which adds 6 inches to the height (12→18). Mark 6 inches from each edge on both 12-inch walls.
Cut the flaps at the marks
Using a box cutter, cut each flap VERTICALLY (perpendicular to the fold crease) at each mark — cutting from the flap's outer edge straight down to the fold line. Each flap gets two cuts, one near each corner. Do this on top AND bottom flaps. You're only cutting through the flaps — not the walls.
Fold the walls inward
Push the walls inward at the cut points. The flap cuts release the corners so the wall folds cleanly. The folded wall section lies flat, extending the box's length. The box becomes narrower and longer — same cardboard, new shape. Tape the flaps closed.
Tape the flaps and ship
Fold the top flaps (they'll overlap differently now) and tape as normal. From the outside, the box looks like a standard rectangular box — no visible cuts, no tape patches, no messy edges.
The math: what sizes can you make?
| Original | Cut from width | Result |
|---|---|---|
| 12×6×6 | 3" (center) | 15×3×6 |
| 12×12×12 | 6" (center) | 18×6×12 |
| 16×12×8 | 6" (center) | 22×6×8 |
| 10×8×4 | 4" (center) | 14×4×4 |
| 14×10×6 | 5" (center) | 19×5×6 |
Formula: reduce width by X inches → length increases by X inches. Height stays the same. Cut the short flaps to make the box longer and narrower, or the long flaps to make it wider and shorter.
Why Easy Reshape saves money
Better snugness = less void fill
A box that's 90% snug needs a handful of paper. A box that's 60% snug needs a pound of peanuts. Easy Reshape turns a loose box into a snug one.
Lower DIM weight = cheaper shipping
Carriers charge by dimensional weight (L×W×H÷139). A reshaped box has the same cardboard but a smaller volume — your shipping bill drops.
Zero waste = zero cost
Unlike scoring down (which trims material), Easy Reshape uses 100% of the original box. Nothing goes in the trash.
Professional appearance
The finished box looks like a standard factory-made rectangle. No visible cuts, no tape patches. Your customer won't know it was modified.