V-brake mounting caps

After replacing my bike's V-Brakes with hydraulic brakes, the former mounting points left opened collected bust and mud that could become an issue in case I want to move back to V-brake.

I quickly designed this caps made in two parts : first one is a plate is covering the spring mounting hole. The second one is a screw closing the brake mounting thread and maintaining the plate in place.

Draft printing with 0.2 mm slice is answering the need: