There are the robots I built for the 2017 march of robots challenge on instagram run by dacosta - one robot a day through march.
I managed 18 in the end, which im fairly happy with - done on lunchbreaks, about 1 hour/1.5 hours per robot. They are mostly kitbash parts from Vitaly Bulgarov, Mark Van Haitsma and NIck Govacko
https://www.artstation.com/artwork/W2K4Q
https://gumroad.com/mvhaitsma#
https://vitalybulgarov.com/3d-kitbash/
These guys have all made excellent kits and I thoroughly encourage everyone to purchase a set! BIg shout out!
Had a nice little render scene set up in arnold to keep the look consistent, my favourites are the orange guy in the middle and the centerpeed, might take those two further
Hope you enjoy the concepts
Adam
instagram: @dewhirstadam