How to quickly build a box with a given number of isocurve?

Rhino Rhino for Windows
1

Hello/
I don’t want to use the loft.
Or add isocurves to an existing surface.

2

Why?

3

For use in T-Spline, comand Pull Control Points.

4

Hello - MeshBox and in V7 SubDBox, may be the thing you are after?

-Pascal

5

Pascal Golay
Thanks, but I don’t want to use version 7.
I will try to create a box, then Explode, Rebuild and Join. But it takes a long time.