Maker 3D prints left-handed Logitech MX Master 3S — fixes awkward button layout made for righties
Maker 3D prints left-handed Logitech MX Master 3S — fixes awkward button layout made for righties

www.tomshardware.com
Maker 3D prints left-handed Logitech MX Master 3S — fixes awkward button layout made for righties

If Logitech won't sell one, you'll just have to make your own.