Raincover for the TomTom Rider mount to protect the vulnerable contacts. Suitable for Tomtom Rider 40/400/410/420/450/550. 

This is a remixed version of https://www.thingiverse.com/thing:3105036 . This remixed version is sturdier and made suitable for 3D printing with weather-resistant ASA.

Just print it with 0.20mm quality and 25% infill

Also take a look at https://www.prusaprinters.org/prints/136773-tomtom-rider-raincover-do-not-touch