Left Stick Size Mod for PowerA's GameCube controller (Instructions in comments) : r/Gamecube
Custom Gamecube Controllers
Custom Gamecube Controllers
Custom Gamecube Controllers
PRO CONTROLLER ON GAMECUBE!! (fully fucntional with 4 trigger modes for Melee + Ultimate mode) NOT a concept working models exist more being produced soon : r/SSBM
Anyone using a custom Gamecube controller? : r/CrazyHand