May try to build this with some oak I've got stored away. Library Steps - Step Stool, Wood Step Stool, Library Step Stool… | Wood steps, Wood step stool, Step stool
ANGELES HOME 3-in-1 Foldable Natural 3-Step Wood Step Stool, 200 lbs. Load Capacity M10-8JV097CF - The Home Depot
Amazon.com: Organizedlife Wooden Folding Library Ladder Chair for Library-Modern Cosco Foldable 4-Step Stool Dual Purpose Stepladders, Display Stand and Flower Stand : Home & Kitchen
Solid Mahogany Black Finish 3-Step Library Step Stool