Does anyone know how to draw curves following to polygon edges?

[Anonymous]

I learned about making cube that consisted of curves, but I forgot all.

I remember that using some tools and draw straight curves snap on polygon cube's points.

Please someone tell me what I have to do...

[_sebastian_f]

duplicate: https://forums.autodesk.com/t5/maya-modeling/does-anyone-know-how-to-draw-curves-following-to-polygo...