TriangleDraw

Primary features:

• Draw: use one finger to draw black/white triangles. • Pinch: use two fingers to zoom.

Secondary features:

• Browser: Organize your drawing files in directories. Rename. Duplicate. • Canvas: There are 11616 triangles; you have plenty of space for all kinds of symbols/logos. • Rotate the canvas by 60 degrees. • Flip the canvas around the x axis or the y axis. • Invert, so white becomes black and black becomes white. • Move the canvas by one column/row. The triangles wraps around the canvas edge. • Symmetry modes: x, y, xy, 3 way, 6 way. • Undo: If something goes wrong, then you can roll back to the moment just before it went wrong. • Fullscreen: Hide the toolbars and work without noise. • Export to Vector (PDF): You get the highest possible quality with vector graphics, that you can import into PhotoShop/Illustrator. • Export to bitmap: A 2048x2048 image that can be saved to the photo album or shared on social media. • Free: The app doesn't cost anything. • OpenSource: You can modify the code. https://github.com/triangledraw