Isometric Paper is an iPhone app developed by Heiko Etzold. It falls under the category of Education & Reference and is available for free. With Isometric Paper, users can easily draw isometric views of various solids.

The app provides a simple and intuitive interface that allows users to select different shapes and sizes of solids. Users can choose from a wide range of options including cubes, cylinders, prisms, and more. Once a solid is selected, the app provides a grid-based canvas with isometric guidelines, making it easy to draw accurate and proportional views.

Isometric Paper also offers various tools to enhance the drawing experience. Users can choose different colors and line thicknesses to customize their drawings. The app also allows users to undo and redo actions, ensuring that any mistakes can be easily corrected.

Overall, Isometric Paper is a useful tool for anyone studying or working with isometric views of solids. Its user-friendly interface and comprehensive features make it a valuable addition to the Education & Reference category on the iPhone platform.