Lenz2 Helical Turbine XL 3D printable model by databeestje

Lenz2 Helical Turbine XL

Source: Thingiverse by databeestje

The Lenz2 Helical Turbine XL is a free printable 3D model from Thingiverse by databeestje. This is a larger version of the Lenz2 Helical turbine I started with to see what size I can get out of my Mendel 90 reliably. You can download the STL file from the original listing below and print it at home.

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151 saves Source: Thingiverse Updated 2026-04-15

Tags: Lenz2, Helical, Turbine, XL

About this model

This is a larger version of the Lenz2 Helical turbine I started with to see what size I can get out of my Mendel 90 reliably. It is based on my earlier work in thing 2015-06-09: Uploaded the entire turbine again, if you need any of the old parts you need to contact me manually. This one has all the correct dimensions now as well as some updated designs for the NEMA mount and other fine adjustments. I've also uploaded a video from one of the first test with the NEMA17 stepper, this was the wrong model, they came from eBay unstickered. 2014-09-23: I've gone back and checked on the dimensions of the blade here and it's woefully off. I've used the inner diameter instead of the outer diameter of the windmill giving a far too small blade. The actuall outer diameter is 45cm across, not the 32 I o…

Frequently asked questions

Is this 3D model free to download?
Yes. Lenz2 Helical Turbine XL is free to download from Thingiverse. Click the "Download free STL" button 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 databeestje.
Who made this model?
Designed by databeestje, 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.

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