Solution for cars with the rear wiper removed. This plug closes the hole left in the rear glass, giving a smooth, finished surface with no visible hardware.
| Hole diameter | ~17 mm |
| Recommended glass thickness | 4–5 mm |
| Cap dimensions | Ø30 × 7 mm |
| Material | Weather-resistant 3D-print material |
Porsche 924, 924S, 944 (all years with the 17mm rear wiper hole).