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Making things that fit togetherLesson 8 of 16

Hinged box

A lid that lives in a drawer is a lid you lose. This one is part of the back wall: the material carries on over the top and folds back down as the lid, so there is no hinge to buy and nothing to screw on.

1

Set the box size and how tight the fold at the back should be. A bigger fold is kinder to the material and lifts the lid a little higher.

2

The back wall, the fold and the lid come off the sheet as one length. The fold is measured through the middle of the material, which is the only part of it that keeps its length when it bends.

3

Five pieces: front, two sides, base, and the back and lid together.

Every setting

13

What each number in the dialog means, and where it starts.

Width

Outside width in millimetres

Starts at 150 · 40 or more
Depth

Outside depth in millimetres

Starts at 100 · 40 or more
Height

Outside height in millimetres

Starts at 60 · 25 or more
Thickness

Material thickness in millimetres

Starts at 3 · 0.5 or more
Finger size

Finger size in millimetres

Starts at 9 · 2 or more
Base lift

Raises the floor so the box stands on its walls, not on its base.

Starts at 0 · 0 to 40
Bend radius

How tight the fold is. Bigger lifts the lid higher.

Starts at 10 · 2 or more
Kerf

Beam width. Panels grow half a kerf, slots shrink one.

Starts at 0 · 0 to 2
Slit length

Length of each cut in the fold

Starts at 16 · 2 or more
Bridge

Material between cuts. Less folds easier and breaks easier.

Starts at 1.2 · 0.4 or more
Spacing

Gap between one row of cuts and the next

Starts at 2.2 · 1 or more
Sheet width

Sheet width the panels are laid out on

Starts at 900 · 50 or more
Sheet height

Sheet height the panels are laid out on

Starts at 600 · 50 or more

What it is

A box whose lid stays on. The back wall carries on over the top and comes back as the lid, with the bend cut into slats so it folds. No hinge to buy and nothing to screw on.

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16 lessons