How to make a V slot by a milling machine？

Gantry Plates - C Beam X-Large with V-slot Solid Wheel Kit for CNC Router This gantry plate is made from 6061-T5 Aluminum and can be used with 4080 C-Beam

Buy CNC-ORBIT 2020 V-Slot Aluminium Extrusion Linear Profile, 3D Printers Multipurpose Controller for online CNC-ORBIT 2020 V-Slot

vintage japanese slot machine V, y dos lineales fijos de 5V Reguladores cada regulador lineal CNC · CNC-ROUTER · Maquina Marking Fiber Laser 20W 15x15cm · Creality CR-Laser

volcano slot game A cool little CNC router build that uses the V-Slot belt & pinion drive and stock parts