The 3D Printed Single Layer Compact Powder Case is a minimalist, portable solution designed for everyday cosmetic use. Created with modern 3D printing technology, this compact features a slim, single-layer structure that focuses on practicality, clean aesthetics, and efficient material use. Its lightweight geometry makes it ideal for carrying in a handbag, makeup pouch, or travel kit without adding unnecessary bulk.This pattern is characterized by a simple circular or slightly rounded square silhouette, optimized for standard face powder pans. The inner cavity is dimensioned to securely hold a single refill pan, preventing shifting during transport. Precise tolerances in the digital model ensure a snug fit, while still allowing users to replace the powder pan when it is empty. The pattern can be easily adjusted in 3D design software to accommodate different pan diameters or depths, making it flexible for various cosmetic brands and custom pans.The lid and base are connected through a robust hinge mechanism that is integrated into the printed structure. This hinge is designed for repeated opening and closing without requiring metal pins or additional hardware. The closure system can use either a friction-fit snap or a simple latch form, allowing the compact to stay closed in a bag while remaining easy to open with one hand. The clean, flat lid also provides a surface suitable for engraving, embossing, or adding decorative textures within the 3D model.The pattern supports printing with common filament materials such as PLA or PETG, as well as resin for higher-detail finishes. Wall thicknesses and support structures are carefully balanced to reduce print time and material usage while maintaining durability. Smooth fillets on edges improve comfort when handling the compact and reduce stress points that could lead to cracking. The overall form is intentionally uncomplicated to ensure successful printing on a wide range of desktop 3D printers.A key aspect of this design is customizability. Users can modify color, surface pattern, or even add internal features such as a thin rim to hold a powder puff. Although this single-layer case is focused on holding only powder, there is space within the pattern to incorporate a shallow cavity for a mini applicator, depending on print scale. The flat underside allows the compact to sit stably on a vanity or counter.This pattern is particularly suitable for small-batch, personalized cosmetic accessories, DIY projects, and sustainable refilling practices. By relying on 3D printing, users can produce only what they need, replace broken cases without discarding the powder itself, and experiment with unique styles. The 3D Printed Single Layer Compact Powder Case pattern blends functional engineering with simple, modern design, providing a practical template for both everyday users and makers who wish to create their own customized cosmetic containers.