Use offcuts and handle shortages
Measure each sound rectangular offcut and enter it as existing stock with the actual thickness. Choose Existing offcuts first.
Try it on a complete plan
If parts remain unplaced, check sheet dimensions, grain and thickness. Add another matching sheet and recalculate. The heuristic provides a feasible result; it may miss a better arrangement. Partial layouts are labeled and cannot be downloaded as a complete ZIP.
Customize this trayBefore making
Dry-fit the parts, confirm your actual measurements and follow the instructions supplied with your tools, materials and adhesive. These plans cover simple glued desktop organizers with rectangular parts.