Table 1.
Evaluated parameters of 3-D printed open-source face shields.
| Name | RC1 (Prusa) | RC2 (Prusa) | 3D Face Shield V3 (Budmen Industries) | Easy 3D Face Shield (Hanoch Hermann) |
|---|---|---|---|---|
| Print volume requirement | 135 × 120 × 20 mm | 144 × 191 × 20 mm | 141 × 187 × 20 mm | 146 × 165 × 15 mm |
| Filament weight | 30 g | 42 g | 33 g | 21 g |
| Total weight | 39 g | 51 g | 42 g | 30 g |
| Printing time | 2 h 30 min | 3 h 17 min | 2 h 06 min | 1 h 40 min |
|
Tools for
assembling |
DIN A4 perforator | DIN A4 perforator | DIN A4 perforator | No |
| Fit | 82 ± 8 | 86 ± 5 | 40 ± 8 | 63 ± 6 |
| Comfort | 56 ± 7 | 78 ± 7 | 48 ± 8 | 83 ± 7 |
| Space for additional PPE | 42 ± 8 | 85 ± 5 | 80 ± 5 | 80 ± 4 |
| Protection | 70 ± 6 | 69 ± 7 | 65 ± 6 | 84 ± 4 |
| Overall | 63 ± 6 | 81 ± 5 | 56 ± 4 | 87 ± 4 |