Horizon Helvetica is the only drawing tool with all of the functions below that fits in your wallet on the market.
1. Straightedge X 4 (inch, cm, pixel, pica)
2. Imperial Compass
3. Metric Compass
4. Set square
5. T-square
6. Protractor (features 180 degrees with holes at every 10 degrees plus the 45- and 135-degree marks)
7. Quick circles (1/8, 1/4, 3/8, 3/16 inches | 3, 5, 6, 10mm)
8. Isometric Grid
9. Isometric Cube
10. Credit Card Size (3 3⁄8 × 2 1⁄8 inches | 85.60 mm × 53.98 mm)
11. Laser cut (in Swiss-made Bystronic laser cutter) and marked for permanence
12. TSA secure: There is no sharp edge so you can take Horizon into the plane.