Pebble Watchface designs with triangular rectangular and curved digits.
The hours are on the top right and the minutes are on the bottom left part of the display while upper left is the mirrored hours and lower right is the mirrored minutes.

The times displayed here 19:14, 12:21, 17:36, 17:15 triangular,  07:46, 14:37 rectangular and 20:22 curved.

With many options to invert the display.