These dividers fit the small IRIS USA Stackable Storage Cabinet Drawers (https://www.amazon.com/gp/product/B07GZ7T7Y8/). The dividers are available to split one small drawer into 2 or 3 equal sized compartments.
The fit is snug and optimized to be printed at 0.28mm layer height for speed. No supports are needed.
The author marked this model as their own original creation.