fabricators are like crows, befriend them and they’ll bring you shiny trash they think you might enjoy 

(in this case the guts of an industrial printer)

@erin aw dang such nice linear rails

Edit: you like danger... If the carriages fall...

@f4grx personally I find putting new bearings into linear carriages relaxing.. but yes the mounting holes are zip-tied lower down 
@erin @f4grx good opportunity to add some preload :3