Two specifications, side by side
Isometric Insert vs Isometric Sketchbook
The same ruling, two sizes. Isometric at 5.64 mm gives 27 rows on 5 × 7 and 30 on A5. What moves is the page, not the pitch.
Side by side
| Isometric Insert | Isometric Sketchbook | |
|---|---|---|
| Size | 5 × 7 | A5 |
| Pages | 128 | 120 |
| Ruling | Isometric | Isometric |
| Pitch | 5.64 mm | 5.64 mm |
| Rows per page | 27 | 30 |
| Spine | 7.32 mm | 6.86 mm |
| Dating | Undated | Undated |
