Alternatively, buy ready-made pull-out shelves like these ones on Amazon if they match the cabinet dimensions. If you'd like to upgrade your cabinets with drawers, determine the drawer dimensions.

With concealed fixings at the bottom, Shelf from Salice holds shelves stable at the maximum open position. The Shelf runner can be used in various contexts: Display cabinets, to allow the pull-out ...

you can plan the opening sizes with a premade roll-out shelf kit for convenience, like this Kitstorack pull-out cabinet organizer. Lastly, for the handier DIYers, you could construct your own ...