I found the original stool plan was too narrow and unstable so I modified the original to be stronger and safer. Easy to build, very sturdy, and extremely practical — this project has the whole package. It not only makes a great little step stools it doubles as extra seating when required, especially in the shop. Folding Step-Stool. When set up, this step stool is solid as a rock. This folding step stool is a useful project for your home or workshop. The upper rail of the tall front frame provides a convenient hand-hold to steady yourself as you step up to reach for the item you’re after. Folding Step Stool.