30×30cm

30x30cm refers to a specific measurement, indicating a square area with sides of 30 centimeters each. This dimension is commonly used across various fields for standardized sizing. In art and craft, it can represent the size of a canvas, a mat for framing, or a piece of paper. Many DIY projects and home decor items, such as tiles, coasters, or small shelves, are often sold or designed with these dimensions.

In manufacturing and logistics, 30x30cm might be a standard size for packaging, allowing for efficient stacking and transportation of goods. It can also be a common size for photographic prints, particularly in the context of albums or displays. For flooring, 30x30cm tiles are a popular choice, offering a balanced aesthetic for various room sizes. In the realm of technology, some electronic components or modules might adhere to this specific size for compatibility or modular design purposes. The simplicity and prevalence of the metric system make 30x30cm a readily understood and applied measurement globally.