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 templates View the 3D assembly

Interactive 3D assembly guide

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

Board 0.5 mm ·Materials

Choose a step

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
N
Part details

Technical drawings

Measurements are in millimeters. Start at the lower-left ruler origin. X runs right and Y runs up. Use the A4 templates for actual-size tracing.

One-piece box net · N

170 × 210 mm blank · 0.5 mm board

Solid brown · cutDashed purple · score and fold

Tabs, flaps and openings
Mark	Feature	X, Y in mm	Dimensions in mm
1	Glue flap	35, 110 · Center of base	Fold width 50 · Tip width 42 · Depth 10
2	Glue flap	135, 110 · Center of base	Fold width 50 · Tip width 42 · Depth 10
3	Glue flap	35, 160 · Center of base	Fold width 50 · Tip width 42 · Depth 10
4	Glue flap	135, 160 · Center of base	Fold width 50 · Tip width 42 · Depth 10
5	Glue flap	10, 135 · Center of base	Fold width 50 · Tip width 42 · Depth 10
6	Glue flap	160, 135 · Center of base	Fold width 50 · Tip width 42 · Depth 10
7	Glue flap	85, 10 · Center of base	Fold width 28 · Tip width 20 · Depth 10

Fold lines
Line	Instruction	Start X, Y in mm	End X, Y in mm
1	fold	60, 160	60, 110
2	fold	110, 110	110, 160
3	fold	60, 110	110, 110
4	fold	110, 160	60, 160
5	fold	60, 60	110, 60
6	fold	10, 110	60, 110
7	fold	110, 110	160, 110
8	fold	60, 160	10, 160
9	fold	160, 160	110, 160
10	fold	10, 160	10, 110
11	fold	160, 110	160, 160
12	fold	71, 10	99, 10

Outline coordinates

Follow the vertices in order and close the cut outline back at point 1.

Outer cut vertices
Point	X (mm)	Y (mm)
1	110	60
2	110	110
3	114	100
4	156	100
5	160	110
6	170	114
7	170	156
8	160	160
9	156	170
10	114	170
11	110	160
12	110	210
13	60	210
14	60	160
15	56	170
16	14	170
17	10	160
18	0	156
19	0	114
20	10	110
21	14	100
22	56	100
23	60	110
24	60	60
25	60	10
26	71	10
27	75	0
28	95	0
29	99	10
30	110	10

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.

Point	X (mm)	Y (mm)
1	110	60
2	110	110
3	114	100
4	156	100
5	160	110
6	170	114
7	170	156
8	160	160
9	156	170
10	114	170
11	110	160
12	110	210
13	60	210
14	60	160
15	56	170
16	14	170
17	10	160
18	0	156
19	0	114
20	10	110
21	14	100
22	56	100
23	60	110
24	60	60
25	60	10
26	71	10
27	75	0
28	95	0
29	99	10
30	110	10

Point	X (mm)	Y (mm)
1	110	60
2	110	110
3	114	100
4	156	100
5	160	110
6	170	114
7	170	156
8	160	160
9	156	170
10	114	170
11	110	160
12	110	210
13	60	210
14	60	160
15	56	170
16	14	170
17	10	160
18	0	156
19	0	114
20	10	110
21	14	100
22	56	100
23	60	110
24	60	60
25	60	10
26	71	10
27	75	0
28	95	0
29	99	10
30	110	10

Materials and A4 templates

One cut piece

Technical drawings

Folded glue flap

Assembly sequence

1. Cut and pre-fold the blank

2. Apply glue to four wall flaps

3. Fold and join the walls

4. Coat the two bottom support flaps

5. Coat the bottom closing flap

6. Close and seal the bottom

Point	X (mm)	Y (mm)
1	110	60
2	110	110
3	114	100
4	156	100
5	160	110
6	170	114
7	170	156
8	160	160
9	156	170
10	114	170
11	110	160
12	110	210
13	60	210
14	60	160
15	56	170
16	14	170
17	10	160
18	0	156
19	0	114
20	10	110
21	14	100
22	56	100
23	60	110
24	60	60
25	60	10
26	71	10
27	75	0
28	95	0
29	99	10
30	110	10