Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 6851 – Back B October 24, 2019October 25, 2021 Master Builder 2424 Views From: 6851: Tri-Wheeled TyraxName: Flyrax 1Instructions: View PDF | Download .io File ContributionsName, PDF, and .io file submitted on May 17, 2021 by: IceAge2002