In Emmy the Robot, there have been occasional infographic comics that feature these simplified versions of Nandroids (and humans), and they are REALLY FUN to draw. Also REALLY EASY. They're great for quick little doodles to kill 20 minutes or so.
The first picture up there is inspired by this tweet.
This red/pink one here is based on a fandroid, Lulu. She's a bit banged up, but she's a sweetie all the same.
The dark blue one here is based on the fandroid Cassy, the same one from this commission. Just, in her actual uniform, not in a facsimile of Mariya Takeuchi's hair and outfit.
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