Custom Storage Box STL Design

I need a ready-to-print STL for a household storage solution—a simple box or container that will fit on my FDM printer’s build plate (220 × 220 mm). The design should maximize internal volume while keeping walls thick enough for sturdy everyday use... (Budget: ₹600 - ₹1500 INR, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Printing, AutoCAD, CAD/CAM, Fusion 360, Solidworks)