When you find yourself trying to remember a show (or any works) that's on the tip of your tongue but just out of reach, come here - the collective brain of the TVTropes community can probably help. Post all the details you can remember (examples help). If you're looking for a trope, head over to Trope Finder. Have general questions about tropes? Visit Ask The Tropers!
livewithstyle
Since: May, 2016
26th Oct, 2016 04:41:47 PM
It's not from from a show or manga or anything, it's just original art created by a Pixiv artist. http://www.pixiv.net/member.php?id=728801
Found it just by searching in the actual posts attached to the link you provided.
school girls making a robot some schoolgirls builds a robot
https://www.google.ca/search?hl=en-CA&q=anime+cyborg+girl&tbm=isch&tbs=simg:CAQSlQEJqcn1yIZFYnAaiQELEKjU2AQaAggYDAsQsIynCBpiCmAIAxIo6xL8E6oJ8xHEApkH_1xPtG_1IR6BLZI50_1rSzYI9Mj1T-wLM8jsiyqLBowHlksR2cbbks1IEKhY04fgjUlO6A3WVsYjcUXlAB0q96eDD2soOkw52TtNwFP5PMmIAQMCxCOrv4IGgoKCAgBEgReQOluDA,isz:l&sa=X&ved=0ahUKEwj4n7iPzvfPAhVl6IMKHYPBB0MQ2A4IHygE&biw=1034&bih=591#imgrc=9Q6tFoQ05486oM%3A