Sliding door guide
thingiverse
Guide for cupboard sliding door like this : http://www.leroymerlin.fr/v3/p/produits/lot-de-2-portes-de-placard-coulissantes-blanc-l-180-x-h-120-cm-e1400073672 SlidingDoorGuideR is for the right of the door and SlidingDoorGuideL is for the left. For smoothly sliding, you can glue piece of felt on guide sides.
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