its not a big hero 6 sketch, but it should have been

some really early baymax sketches from big hero 6

from Wreck-it Ralph- a troopship from a weirdly medieval phase of hero's duty design

early gogo sketch showing her jumping thru extremely small openings

from bighero6, a honeylemon purse design that turns into a rocket launcher

early tadashi sketch as part of the original big hero 6 superhero team

sketch of gogo's personal bike, from bighero6

early version of baymax. its really just a paintup of a Shiyoon line drawing that they wanted rendered out

big hero 6 robot fighter designs (also draw over of model with lady graphics)

even more early Gogo Tomago designs- these are from a period where they were supposed to look retro

baymax detail drawings

Wasabi's van runner-ups- the car was supposed to be an incredibly boring vehicle that no person should really want to buy- these are the runner ups

tree designs for Tangled chase in forest

early gogo from big hero 6

wall robot from Fred's mansion

early wasabi sketch from before he had arm blades

early wasabi sketches from Big Hero 6

wasabi's glove design in earlier form

wasabi's glove in final form

honeylemon and gogo early visdev pieces from big hero 6

Wreck-it Ralph calhoun armor, from very heavy to very light. I'm sure I showed one of these before, but it's the first time I found the other two

from Big Hero 6, Wasabi's van and a timeline of van damage