Customizeable Cooling Fan Blades

thingiverse

### Update 3:\r\nA new update has been uploaded to further refine the original blades' accuracy. To achieve this, a second bending step has been added to the blades. Due to their three-dimensional surface curvature, rendering the model becomes increasingly complex. Using OpenSCAD to render can take over twenty minutes, depending on the settings. If you prefer not to wait that long, use the previous file Customizeable_Fan_Blades.scad instead of the new one Customizeable_Fan_Blades_Advanced.scad.\r\nAlternatively, consider utilizing a server-based online rendering service rather than relying on a local OpenSCAD installation for faster results.\r\n\r\nFurthermore, I have shifted from adjusting an angle to impact the bowing strength to setting the bowing radius instead. The variables are thoroughly explained in the comments, so please take your time to review them if you're unsure about any aspect. Feel free to ask if clarification is needed.\r\n\r\n### Update 2:\r\nAn update has been uploaded. Now, the blades themselves align perfectly with the central circle throughout their entire size, which should slightly optimize airflow.\r\n\r\n### Explanation:\r\nAfter accidentally breaking off many of my original 40mm fan blades, I decided to repair it using 3D printed parts, as this approach is significantly cheaper than purchasing a replacement. The printed blades only cost a few cents compared to the original part.\r\nAlthough similar designs have been created before, none met my expectations because I wanted to replace the entire blade section while maintaining the full area for airflow and customization options. I aimed to create a design that could be customized to a large extent, allowing me to optimize the fan and adjust parameters to suit my specific needs.\r\n\r\nGiven this requirement, I designed my own fan blades with customization parameters such as:\r\n- Overall_Thickness: The thickness of the entire part.\r\n- Outer_Diameter_Blades: The diameter of the complete fan including blades.\r\n- Thickness_Blades: The thickness of the blades perpendicular to their surface.\r\n- Amount_Blades: The number of blades in the entire fan.\r\n- Bowing_Blades: An angle to adjust how much the blades are bent.\r\n- Angle_Blades: The mean angle of the blades relative to the xy-plane.\r\n- Inner_Diameter_Body: The diameter of the inner hole where the magnetic ring is fitted into.\r\n- Thickness_Body: The thickness of the walls for the inner part of the blades.\r\n- Axle_Diameter: The diameter of the small hole the axle of the fan is fitted into.\r\n\r\nThe default values in the comments are based on the measurements I took using a caliper on the original ANET fan blades. Using these values, I created the STL file provided in the file section.\r\nThere are no restrictions on the parameters; however, some values might not yield a usable result. The preview does not function properly due to the large number of vertices, so rendering the model is necessary for an accurate outcome, which may take some time.\r\nCurrently, the model is designed for 40mm fans. You can customize it for any other fan size using the customization parameters.\r\nIf you like this design, be sure to check out my other Anet A8 and 3D printing projects:\r\n- [Improved Customizeable Anet A8 E3Dv6 Mount with 40mm Fan Mount](https://www.thingiverse.com/thing:2741029)\r\n- [Filament Guides for the Anet A8 in 6 variations (0°, 45°, 90°) Vertical and Horizontal](https://www.thingiverse.com/thing:2688460)\r\n- [Anet A8 - Original X Axis Mounts V2](https://www.thingiverse.com/thing:2733178)\r\n- [Linear Bushing / Bearing - LM8UU - IGUS like - with mount](https://www.thingiverse.com/thing:2717365)\r\n- [Spoolhoder tube to lower rotational resistance (requires two axle bearings)](https://www.thingiverse.com/thing:2692215)\r\n- [Cable Clip (Anet like)](https://www.thingiverse.com/thing:2736921)