Pixelmator 3.2 Sandstone Is Now Available on the Mac App Store Posted 5/22/2014 at 14:33 UTC in Mac by gnye@amdesign.net | Permalink | Tweet The Pixelmator Team announced Pixelmator 3.2 Sandstone, an amazing update to its fast, innovative, and powerful image editing app, featuring an all-new Repair Tool, 16-bits per channel support, and Lock Layers feature. Pixelmator 3.2 Sandstone also includes a new Convert Selection into Shape option. This allows you quickly and easily create all kinds of shapes from any selection. Pixelmator 3.2 Sandstone is available today as a free update on the Mac App Store.