This is a modified version of Prusa I3 MK3 Y axis Adjustable Belt Tensioner by MattyVee
1- Used all the SAME screws M3-30mm and M3 Nut with lock thread.
2- All screws are alined with the part, i mean the screws does not come out of the part.
3- Basically it's the same part but with improved looking. With better presentation if you want to say so.
4- Made for the stock idler.
Print it with PETG and if you have trouble with the tolerances adjust them on your main slicer.