6 model

Free

HueForge SR-71 Blackbird

Printables

Free

SR71 blackbird (kit card)

Thingiverse

Free

SR71 Blackbird by 3dCad2print, published Nov 22, 2012

Thingiverse

Free

Blackbird SR71

Printables

Free

Printable Blueprints Collection

Printables

Free

SR-71 Blackbird Shockwave Sculpture

Printables