This collection features a set of 3D models designed for the smaller 1 gallon (4 liter) Ikea Uppsofsad Storage Box (not the larger 2 gallon [9 liter] version). It includes a full-height 3x4 insert, a full-height 2x2 insert, and a set of half-sized inserts with four horizontal compartments. These models provide a variety of storage solutions tailored to fit seamlessly within the Uppsofsad box.