CardboardShaper
Mailer box folded in 3D, opened, with Keychron K12 60% mechanical keyboard inside

Box for a 60 % keyboard

Mailer box · FEFCO 0427

Sized for
Keychron K12 60% mechanical keyboard
Product
293 × 102 × 40 mm (estimate)
Inside
309 × 118 × 52 mm
Board
E-flute corrugated (1.5 mm)
Blank
543 × 401 mm

Make this box About the mailer box

Folded shut and measured in 3D: the cavity is 309 × 118 × 52 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

A 60 % mechanical keyboard, 293 × 102 mm (Keychron K12). The height with keycaps, 40 mm, is our estimate; 8 mm of foam at the sides.

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 60 % keyboard: from a packaging or retail supplier's listing.

“Dimension (Plastic frame version): 293 x 102mm; Height without keycap (front) 24mm (rear) 30mm”
keychron.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.