Amazon.com: RLSOCO Hard Case for Logitech G502/G305/G604/G603/G600/G703/G403/G PRO/G903/G910 Gaming Mouse & Compatible with Logitech G PRO/MX Master 3/MX Anywhere 2 Mouse : Video Games
G603 "The Swiss". 3D printed, lightweight top cover. Weight 7g, material PLA. What next? G603 Fusion 360 model. : r/MouseReview
My G603 Paint Experiment, details in comment : r/MouseReview
G603 with custom cover : r/LogitechG
For Logitech G603 Mouse Accessories Mouse Shell Upper Shell Case Cover 603922704652 | eBay
Amazon.com: Aproca Hard Travel Protective Case, for Logitech G703 / G603 / G403 Lightspeed Wireless Gaming Mouse : Electronics
Replacement top Shell/Cover/outer case for Lo.gitech G603 Wireless Gaming mouse|Mice & Keyboards Accessories| - AliExpress
Decided to paint my G603 plate seeing as Logitech wont sell custom plates. : r/MouseReview
RLSOCO Hard Case for Logitech G502/G305/G604/G603/G600/G703/G403/G PRO/G903/G910 Gaming Mouse & Compatible with Logitech G PRO/MX Master 3/MX Anywhere 2 Mouse : Video Games - Amazon.com
Amazon.com: Logitech G603 LIGHTSPEED Wireless Gaming Mouse (Renewed) : Video Games