Prototype is a Filled icon from the Web Design pack. It is a single-color icon, so you can switch it to black, white or your brand color and set the stroke before you download. Use it for buttons, menus, navigation bars and app interfaces. The same prototype icon is also available in 2 other styles, shown below. Get it free as an SVG or a PNG from 16 to 512 px, paste it into your code as React or Vue, or restyle it in the editor first. Related searches: pencil icon, production icon, product icon, writing tool icon.