Alice in Mechaland by Xiao Nai-Chung (alias Hambuk).
Paperback manga, not available in English, but released in French by Kotoji editions on 26 February 2016.
Xiao Nai-Chung is a Taiwanese writing under the pseudonym Hambuck. He worked as an industrial designer before leaving that to concentrate on manga.
The White Rabbit calls on Alice for help as Wonderland is being invaded by giant robots piloted by humans. Alice’s adversary turns out to be Dorothy, who has become the new Wizard of Oz and is determined to expand her empire.
Available on Amazon.