Pi model B modular rack mount

modular rack mount for all pi model B versions 2,3,4,5 and clone boardsfits horizontally in 1u rail system or vertically on 2u system for up to 10 pi's on a 19 inch rack: recommended to print with ASAuse M2 or M2.5 nuts and screws to secure PImore modules in this collection:https://makerworld.com/en/collections/4489015