Lego 2x2 - 2x2 Corner Bracket

Have been looking for a LEGO part similar to 3956 (Right Angled Bracket 2x2 - 2x2) but wanted nubs on both the vertical and horizontal planes. I could not find one anywhere so decided to make one, leveraging from PrintaBrick.

Part works great where I needed it.
1st print (pictured here) was not the best quality - 2nd print which quickly went into its intended part was much better quality.