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The cubes in here are wireframe, the strands emitting are particles.. anyways
yes it is possible,
Default lights must be enabled or else it would just render pitch black. if there is a shadow option set shadows to off, also there would not be a need for FG or photons. you could use a scanline renderer or a renderer with no light tracing.
When all else fails..... CTRL+A, DEL, CTRL+S