This prompt can generate a modern beautiful 3D rendering based on any Keyword. The only limit is your imagination. Write the prompt and insert your preferred Keyword so Midjourney can use its imagination to give your desired result.

Icon design, a blue square with a megaphone on it, in a cartoon style, made of colorful glossy plastic material, flying around in the air, with a matte clay texture, in an isometric view, against a clean background in light blue and yellow colors, 3D rendering, created in Cinema 4D --ar 5:7 --stylize 250 --v 6.1