Hi Alex,

re:
> How did you get to show the control points?

They'll show up if you turn on points and then do a "Select all". The extreme size probably messes with the depth buffering in the regular display.

- Michael

>> To keep things the most robust and avoid arithmetic precision problems it's generally good to keep numeric values say not larger than 5000 and not smaller than say 0.05 or so.

Perfect !