Re: LISA Simpson

I looked at :

Hollow studs:

[www.mcmaster.com]

(not very precise)

For a lot of money you can get precise (but no threads):

[www.mcmaster.com]

There are also a lot of smooth tubes in various other levels of precision.

To your point, none of it looked very promising. The plastic shaft seems to be a pretty good alternative.

I'm may need to re-do the hub parts to get them to mate up with my aluminum bar arms. Once I need to re-draw them, doing this or that while I'm at it isn't that big a deal.

Thanks!