Those stairs are 4' wide. To go to 6' the glass would need to become quite a bit thicker, like 2 1/2". Other than that, other elements could remain the same
Are the stair treads glass or acrylic?
glass stairs on metal frame (cheaper)
How the stairs are glass and see through
Stair case railing no support at end
maybe use this for stair support
Very good design, same idea came to me; metallic frame more safe for floating stairs, better if you can hide it.
these stairs are also ideal when there's an adjacent view and source of natural light. Even when the stair isn't all glass, light streams deep into the interior. Even a steel stringer, whether bent to form a ziggurat shape like this one, or as a more traditional diagonal, allows for transparency and