Printed Paper WindMill v0

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Published on March 13, 2012
This thing was Featured on March 13, 2012

Description

Finally here it is: the “Version Zero” of a printed paper windmill. One day I would like to upload another version (you can see it in one of the pictures) but, while it woks, the wings still have too much issues... we'll see.

This thing, as provided here requires little wind to start its movement and very little wind to keep on spinning. It's not made to be efficient but just a toy. Do use the OpenSCAD (good luck) to make it bigger, better, nicer!

There are some pictures here: flickr.com/photos/aubenc/sets/72157629199542154/

And (not that) a short video here: youtube.com/watch?v=cjXmF2cNxVg

Instructions

I wrote a lot (my apologies) in the PDF so I'll keep it short here.

Print in 3 different colors, assemble and have fun!

The zip file contains more STL for wings with different thicknesses and threaded parts with different tolerances.

Think it twice before deciding to use the producion plates! bot1334 required different setting for the wings and the threads.


(sorry but it has to be said...)

Be aware that this thing can spin really fast and thus can produce damages or hurt somebody whenever it breaks, something gets loose or not. I take no responsibility if something goes wrong.
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Sweet! The integral bearings from the makerbot clock project!

https://groups.google.com/foru...

It may be worth adding the bottom bevel to the bottom bearing rim on the hub part. That will make the part more tolerant to printers that aren't perfectly calibrated and squish the first few layers.

Sooner or later i'll clean up and publish the lib version of the bearings.

I did had a thought about the makerclock project but yeah, this is quite more bulky than a 5mm (was it 5?) real bearing, also, this do needs to have some play to spin with ease which may not be really a good thing for a clock's gear.

Concernig to the bevel, I was not doing it here because I wanted the point of contact as in the front of possible (to make the hub as short as it could be).

Let me know I can do something to help.

Lots of very useful joints here :)

Thanks! Let's see if we start to use them then ;)

Unfortunatelly (1), they require a fine tunning of the profiles (at least for bot1334).

Unfortunatelly (2), I did an effort to keep the OpenSCAD simple (are you kidding me??) but it can be hard to deal with the code.

Anyway, I'm very happy with how the things fit and work together.