Home / Browse / @emalexlozquing2020 Birb99 (@emalexlozquing2020) Spaceflight Simulator blueprints uploaded by Birb99 on SFS Blueprints. 9 public blueprints. Blueprints by Birb99Heavy lifter rocketMy own cargo rocketThe small ufoNormal ufoMedium ufoLarge ufoColossal ufoMini ufoThe Saturn VI Browse all SFS blueprints