CardboardShaper
Cake box with window folded in 3D, opened, with 9-inch round layer cake inside

Box for a 9-inch cake

Cake box with window

Sized for
9-inch round layer cake
Product
Ø228.6 × 76.2 mm (estimate)
Inside
241 × 241 × 91 mm
Board
E-flute corrugated (1.5 mm)
Blank
426 × 710 mm

Make this box About the cake box with window

Folded shut and measured in 3D: the cavity is 241 × 241 × 89.5 mm and the product block fits without touching the board. Free to open and change; €2.50 for the PDF, €3.50 for the DXF or SVG.

Why these numbers

Two layers from 9 × 1.5 inch pans: 229 mm across and about 76 mm high. E-flute, because a 9-inch cake is too heavy for a folding carton lid.

Food. If the food touches the board, ask your board supplier for food-contact grade board. The drawing sets the shape; it does not make the board food-safe.

Every size on this page is an example to start from. Products change between models, editions and makers, so measure the one you are packing.

Where the product size comes from

A 9-inch cake: from the manufacturer's published specification.

“9 in. x 1.5 in.”
wilton.com

The flat blank

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Product and brand names are used only to say what the box is sized for. They belong to their owners; CardboardShaper is not affiliated with or endorsed by any of them.