Home / Browse / @f3lixtgaming Mittens7 (@f3lixtgaming) Spaceflight Simulator blueprints uploaded by Mittens7 on SFS Blueprints. 6 public blueprints. Blueprints by Mittens7Reusable Small PlaneISSBasic satelliteMini Building Pieces!Small Plane With Mini Planes As CargoBig Cargo Plane Browse all SFS blueprints