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SR71 Blackbird - Complete Print

3D model description

An iconic aircraft from the Cold War redesigned to light your imagination, a seriously cool present for the 3D printing nut. This is a 1/35th scale model of the fastest manned air breathing plane in the world (mach3.1). This accurate 3D printable SR71 Blackbird model with display stand can be converted into a very cool LED lamp measuring 1 meter long x 480mm wide!

Each part can be printed as long as your printer's build volume is at least 200mm x 200mm x 200mm, with a 0.4mm nozzle.

Full instructions with slicer and printer settings are included in the download. Please leave a comment if you have any questions.

I have created STL files that are optimised for single wall printing (completely hollow) with specially developed 'inside-out' internal supports to generate stiff and economical parts that require no infill, supports or even finishing or clean up steps, just print and assemble beautiful scale models. A single wall is very quick to print and the total cost of filament for the entire build is less than $20! This approach to designing complex 3D printed parts is still quite uncommon but I believe has huge potential and will continue to improve on it. This SR71 kit is based originally on a 3D model by Chris Shakal, an aeronautics engineer and has been used with his kind permission, he has even printed one of these SR71 kits himself.

I set out to create a fun easy project that's a perfect way for parents to spend creative time with their kids and learn more about the potential of 3D printing and to make something fun and useful. Even if you are just starting out, ask a friend with some experience and don’t be afraid to give it a go! Checkout this video to see one of the engine parts being printed with a single wall:

3D printing settings

I cannot upload the instructions PDF on this site. If you buy this print, contact me and I will send full instructions. bram690smr@gmail.com

Printer build volume - 200mm x 200mm x 200mm

Filament - Translucent PLA

Nozzle Dia. - 0.4mm

Nozzle Temp. - I set my print head at 218 degrees Celsius for my particular PLA filament. You will have to find the perfect temp for your filament brand. I find transparent filament require slightly higher temps.

Extrusion Multiplier - 102%

Line Width - 0.42mm

Layer Height - 0.20mm

Initial Layer Height - 0.15mm

Print Speed - 60mm/s

Wall Settings - 1 wall

Top/Bottom Settings - Zero

Infill - Zero

Supports - Zero

Retract - On

Fan - On

Spiral Mode /Vase Mode: On

Skirt - 5 lines

Skirt Offset: 1mm

Brim - No

Build plate temp - IDK as I use a non heated build platform with masking tape.

Settings for the Stand, same as above except:

Wall Setting - 2 walls
Skirt - 2 lines

  • 3D model format: STL

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