>>11234487>a good guide for kitbashingAny guide that teaches you basic scratchbuilding skills (how to drill a hole, how to saw, how to glue, how to reinforce with metal rods, etc) is also a guide for kitbashing.
Also people's build logs like
http://s708.blog110.fc2.com/page-3.html or
http://uc-timeline.com/category/%e6%97%a7%e3%82%ad%e3%83%83%e3%83%88_%e3%82%a2%e3%83%83%e3%82%b0/ or whatever. Also futaba modelling boards:
https://dat.2chan.net/v/ and
https://nov.2chan.net/y/