Mid-Century Contour Towel Bars(multiple options)

Amazon

Matte Black Towel Bar

West Elm

Modern Overhang Towel Hook(5colors)

Amada Homefurnishing

Bathroom Shelf with Towel Bar

West Elm

Pure Modernist Bathroom Hardware(multiple options)

West Elm

Mid-Century Contour Towel Rings(4colors)

West Elm

Modern Overhang Towel Bar(multiple options)

Crate & Barrel

Yamazaki Free-Standing Towel Rack

West Elm

Hexagon Shaped Bathroom Hardware