Arrow shed door slider

This is a plastic bushing/slider used to hang doors in Arrow sheds (two per door). I noticed ours were worn away to next to nothing, and used the remaining pieces to design a replacement. The sliders can be purchased as part of a "tune up kit" from the manufacturer here (http://www.sheds.com/miva/merchant.mvc?Screen=PROD&Store_Code=S&Product_Code=DK100&Category_Code=A), or you can save $15 and print your own.

At its simplest the design is an extruded "H" where the top and bottom slide along