By default, the Sphere Mode sets the Projector to generate a force field in the shape of a sphere that is exactly 1 block thick.

Each (not found) increases the size of the force field by 1 block.

Recipe

Recipe Type	Ingredients	Outputs	Recipe preview
Recipe Type Shaped Crafting	Ingredients 5x Focus Matrix	Outputs 1x Sphere Mode	Recipe preview Focus Matrix Focus Matrix Focus Matrix Focus Matrix Focus Matrix Sphere Mode
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Field adjustment

Adding Scale Modules to item slots marked with a directional arrow further increases the radius of the force field by 1 block per module.