Boeing Stearman 75 Toy Plane

"Jump in the cockpit and start up the engines - Remove all the wheel blocks, there's no time to waste"
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updated January 12, 2024

Description

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This is a toy plane that is based on the famous Boeing Stearman Model 75 biplane.
https://en.wikipedia.org/wiki/Boeing-Stearman_Model_75
The toy plane has a wingspan of 240mm and a length of 196mm. It can be completely assembled without using glue. All necessary clips and bolts are printed. I even included a small screwdriver.

Use the following settings for the wings: 0,12 layer height, 4 walls, 4 bottoms, 8 tops, 16% gyroid infill
The rest can be printed with 0,2 layers, 4 walls, 4 bottoms, 5 tops, 6% gyroid infill.
I recommend a brim only for the bolts. See my 3mf for more details and how I positioned the parts on the build plates. The 3mf file can be used with OrcaSlicer or Bambu Studio. I added a picture so you can see the orientation of the parts on the print bed.

Print the following parts with support:

  • Fuselage (only for the cockpit)
  • Wings (only for th bottom of the threads)
  • Engine (not for the thread)
  • Bolts (only for the head)
  • Struts (use small tree support)
  • Supports (use small tree support)
  • Cockpit (only for the bottom of the thread)

Do not use support on the threads.

All parts will fit into a 200x200x200 build space. 
Users with a smaller printer need to split the wings into two parts (can be done with the slicer) and glue them together after printing. Alternatively the model can be scaled down a little bit. I did not try this myself but I know there is a print that has been scaled down to 82%.

For assembly follow these steps:

  • put the front cover on the engine
  • screw the engine to the fuselage
  • insert the cockpit into the fuselage and secure it with a short bolt
  • insert the lower wing into the fuselage and secure it with a short bolt
  • insert the rear wing into the fuselage and secure it with a short bolt
  • this is now a bit tricky: insert the middle supports into the fuselage and put the top wing on the supports
  • now put one strut between the lower and top wing
  • insert a long bolt through the lower wing into the strut and screw it to the top wing
  • repeat for the other side
  • clip the propeller and the wheels with the pins to the plane
  • make funny engine noises and play with your new plane
     

Disclaimer:
This work by blecheimer is licensed under CC-BY-NC-ND 4.0.
You are not allowed to copy this model to other 3D printing websites without my permission.

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