3M Widescreen Desktop Privacy Filter 15x7.5cm Once the giant centre X

Once the giant centre X has a solid colour on each of the six sides and the inner diamond is split between two colours you have mastered Skewb

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3M Widescreen Desktop Privacy Filter 15x7.5cm Once the giant centre XBlack Privacy Filters for monitors provide world class "black out" privacy from side views, while creating an excellent, high resolution viewing experience. Reversible between a glossy side and a glare reducing matte side that helps reduce reflections and hide fingerprints, so you can enjoy pristine image clarity.