A green screen background on wheels so it can be moved. An XTool computer-controlled router for metal and other materials. A multiple-color 3D printer. These are some of the unique features built into the Gateway Library that opens Saturday in Eastmark in southeast Mesa.

It is also Mesa’s first library with a dedicated sensory room with lighting, color, acoustics and furnishings that support neurodiversity.

“It is the first autism-certified center in the library system. That was important to us to design that, incorporate it into the library,” Mesa Library Director Polly Bonnett said. “(W)e wanted to make sure the building was welcoming to all abilities, to make ... a more calming environment if it’s needed. Libraries can get a little loud and noisy, so we wanted to offer a respite... be

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