Sizes for timer stone
=====================

|----------------------+-------+---------+---------+---------+---------|
|                      | Gfx16 |   Gfx32 |   Gfx40 | Gfx48   | Gfx64   |
|----------------------+-------+---------+---------+---------+---------|
| Bounding box of max. | 8 x 6 | 18 x 12 | 22 x 14 | 28 x 18 | 38 x 24 |
| sinus wave [px]      |       |         |         |         |         |
|----------------------+-------+---------+---------+---------+---------|
| Stroke width [px]    |       |         |         |         |         |
| Sinus                |   1.0 |     2.0 |     2.4 | 3.0     | 4.0     |
| Line                 |   1.6 |     2.4 |     2.8 | 3.2     | 4.0     |
|----------------------+-------+---------+---------+---------+---------|

Bounding box of smaller amplitude is half the y size of max. amplitude.
