Smashing Magazine has released a very handy freebie for designers/developers that are working on mobile project.

It is a set of UX sketching and wireframing templates which consists of 2 parts:

Outline

Mobile Sketch And Wireframe Sheets

This is a pack of 28 printable sketching and wireframing papers (in PDF) for the most popular mobile platforms.

There are various combinations in the set like actual size, 10 devices fit to a page, and landscape layout.

Also, an Illustrator file which displays the mobile devices is provided.

Tapsize

These are papers for easily analyzing the optimal tap areas without playing with a real mobile device.

It has 9 PDF files that come in different sizes.

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