I'm watching Ensigns of Command right now and I just noticed something in the scene where Data is being marveled at for being an android. Right after the lady mentions how more advanced he is than anything they have at the colony, we see this behind Data...
That looks like those droid soldiers from the Star Wars prequels
I know it's a stretch, but the head has similar shape from this angle.

That looks like those droid soldiers from the Star Wars prequels

I know it's a stretch, but the head has similar shape from this angle.