Button for Russell Hobbs electric salt and pepper grinders

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4614999.

Remove the top cover. Use a long Philips screwdriver to remove the small screw deep in the cover. Print the new button on its side with support enabled. This orientation is important for strength. Pushing the new button into the hole in the cover is quite fiddly. Get it close and then press it hard until the button engages and the screw hole lines up, then replace the screw.