Glue takes time to dry, warps thin card and makes a box hard to flatten again. Some shapes avoid it entirely, and many need only a single seam. Here is which is which, taken from each template's own folding instructions.
No glue at all
Mailer box. The one-piece postal box. The side walls fold over themselves and two lock tabs push into slots in the base, so it holds its shape with no glue and no tape. It folds flat again for storage, which is why shops use it for shipping and subscription boxes. Thick card or corrugated board makes it sturdy enough to post.
One glued seam, then everything folds
These are glued once along one side to make a tube. After that, the top and bottom close by folding and tucking, so the box opens and closes again without tape.
- Card box: the classic retail carton, with a tuck flap at each end. Cosmetics, soap, tea.
- Gift box (straight tuck): the same idea with both tucks from the same side, for a neater front.
- Snap-lock bottom box: the bottom locks itself when folded in order, so it can carry heavier things than a tuck bottom.
- Handle box: one seam, and the two roof panels meet to form a carry handle.
- Pillow pack: one seam, then the curved ends press in and spring closed.
If you would rather avoid liquid glue even here, a strip of double-sided tape along the seam does the job and is dry the moment it is pressed.
Glued corners, but the lid closes without tape
These have glued corner tabs, but once built they open and close again as many times as you like.
- Takeout box: the top closes with a tongue pushed through a slot.
- Clamshell box: a hinged lid with a tongue that tucks into a slit.
- Petal box and Star lid box: the petals fold down one after another and the last slides under the first.
- Bow-top box: the top flaps are held together by a ribbon through four holes.
Lift-off lids
A Box with lid is two trays, each with glued corners. Nothing holds the lid on except the fit, which is why setting the right card thickness in the maker matters: it decides how snugly the lid slides over the base.
Tips for glue-free boxes
- Score every fold. Locking tabs only lock if the panels fold exactly on the line; the scoring guide shows how.
- Cut slots with a craft knife, not scissors, and cut them the full width. A slot that is a millimetre short stops a tab going in.
- Set the material thickness in the maker. Slots and tabs are sized from it, and thick card in a slot cut for thin card will not lock.
Questions
Will a glue-free mailer box survive the post?
On thin card it is a presentation box. For posting, make it from corrugated board or heavy folding card, set that thickness in the maker so the lock tabs and slots are sized for it, and add a strip of tape across the lid if your carrier asks for parcels to be sealed.
Can I use staples instead of glue?
Yes, on the hidden seams of corrugated or heavy card: staple through the glue flap and the panel it sits behind, from the inside where you can. On thin gift boxes staples tend to tear the card and look out of place; double-sided tape is neater.
Which is easiest for a first try?
The Card box: one seam, two tuck ends, and every fold is a straight line. Make one from paper first to see how the tucks go in, then make the real one in card.
Does tape count as "no glue"?
It does the same job, so the one-seam boxes above become glue-free with a strip of double-sided tape. Use tape sold for crafts or packaging; office tape lets go when the card flexes.