Emmett's Not-Quite-As-Large Shaft

by SystemsGuy, published

Emmett's Not-Quite-As-Large Shaft by SystemsGuy Nov 19, 2012
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Looking at Emmett's awesome Automatic Transmission model and simply feeling inadequate? Not quite up for that massive shaft?

Fear not - here is one that should fit more comfortable on your bed!


Well, just as easy as before - take a look at the OpenSCAD file, set your tolerance if you've changed it, and generate your more comfortable fitting shaft bits. ;-)

If you've not changed your tolerance, just use the two here.

When you have printed the two parts, quickly close the door and shut the blinds, pull out the SuperGlue and get to work before Emmett sees you gluing things together!

I've just printed these, and they fit together wonderfully! They are still ~74mm tall, so do check your limits before breaking something...

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It is quite good, but CA glue messed it up baddly andf it failed. Any other options besides super-glue?

just one issue I've found. The stl for short-shaft-top appears to have been generated with V2 of pins.scad. It should be a fixed pin but in the stl it isn't.

Checked the code and it's fine. So after a test, found that this results from using the old pins.scad as it does not have a fixed option

 Hey Sim - very good catch.  I usually only upload STL's I've printed, so not sure what happened here. 

Corrected V3 version uploaded!

Nice job, I appreciate solutions, even if I might have used another pin connector instead. :P

I'm afraid I'm just not up to the massive length of the shaft either.  I would love to put a pin in this to hold the two halves together.  I suspect this would not be too hard to do in openscad, but I'm a complete noob at it... so how would you do that?

It's pretty easy; just difference a pinhole from your part. However, I'd start by trying something simple in OpenSCAD first. Check out Makerblock's tutorials, it's actually quite easy to learn.

Haha! Rostock, my friends! 380mm build height ;)

LOL Steve - the Kossel was in pieces when Emmett published this one!