Solid A 3D font is a font that appears as if it has depth and dimensionality, adding a sense of realism to the text. The characters typically have extrusions and shadows that create the illusion of three-dimensionality. The font often has a bold and chunky appearance, with sharp edges and clean lines. The extrusions can be symmetrical or irregular, and the shadows can be cast in various directions. A 3D font can evoke a futuristic or technological feel and is commonly used in advertisements or logos for a bold, attention-grabbing effect.