CARDBOARD WORKSHOP / CARDBOARD BOX

Build a Cardboard Box

Cut one cross-shaped blank, fold it into a cube, and glue the seven integral flaps.

  • 50 mm cubeNominal size
  • Solid paperboard 0.5 mmOne blank
  • 1 A4 sheet1 template
  • White PVA glueSeven integral flaps
Open A4 templatesView the 3D assembly
A closed cube-shaped cardboard box
Interactive 3D assembly guide

Drag to rotate. Blue marks the face of the flap to coat with glue.

Board 0.5 mm ·Materials

Materials and A4 templates

Print at 100% / Actual size and check that the printed ruler measures 100 mm.

Open A4 templates · 1 sheet

Use white PVA glue, a ruler, a blunt scoring tool, and scissors or a craft knife. Transfer the fold lines and face labels to the outside face.

One cut piece

The six square faces and seven tapered flaps stay connected. Cut the outer line and lightly score the dashed lines. Use the A4 sheets to trace at actual size.

One-piece box net ×1
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Folded glue flap

1. Fold the flapFold the flap so it lies flat against the receiving piece.
2. Spread a thin layer of glueCoat the face of the flap that will touch the receiving piece.
3. Press the two faces togetherHold the pieces in place as directed on the glue label.

Open the illustrated joint guide →

Assembly sequence

Printable prototype. Test the creases and glue on a scrap of your board before cutting the full blank.