Is this 3D model free to download?

Yes, Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by bobm123, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 3D printable model by bobm123

Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 photo 1

Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 photo 2

Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 photo 3

Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 photo 4

Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027

Source: Thingiverse by bobm123

The Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 is a free printable 3D model from Thingiverse by bobm123. This file has parts and "tooling" to construct a propeller suitable for indoor rubber power models, such as the Science Olympiad "Wright Stuff Class C" for 2027. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-11-04 License: CC-BY-SA · commercial OK Category: 3D Printer

Tags: Model aircraft, Model Airplane, Model airplanes, propeller, propellers, Science Olympiad

About this model

This file has parts and "tooling" to construct a propeller suitable for indoor rubber power models, such as the Science Olympiad "Wright Stuff Class C" for 2027. The three parts consist of a Prop Hanger, that attaches to the motor stick of you airplane, a thrust bearing that slides into it and holds a small wire shaft that allows the propeller hub to spin. The blade forms were generated using a variant of one of my other "things": the latest being "PropFormMkII.scad" available on my github page here: The other part is a form that sets the pitch, camber and twist of the propeller blades. For my tests, I used the bottom of the form to trace the blade pattern onto a piece of 1/32" A-grain balsa that had been soaked in warm Windex (ammonia solution) for 15 minutes. After soaking it, I blotted …

Frequently asked questions

Is this 3D model free to download?: Yes. Model Airplane Propeller and bonus plan for Science Olympiad 2026-2027 is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by bobm123.
Who made this model?: Designed by bobm123, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.