How to scale Meshes accuratly?

Rhino Rhino for Windows
1

I have a group of rectangular meshes that need to match a polysurface limits.

I cant select the meshes ends to scale them accurately. Seems snaps settings dont apply to meshes.

Thanks

2

Turn on the “vertex” osnap to snap to mesh vertices…

–Mitch

3

Thanks, that will do.

Should have searched google first, my bad.