Had a look and believe it is the same part. Interestingly mine has been modified as it seems to be cracked. Check out the photos.
I sent a sample today for you to try out, but tonight played around with the improved version. I noticed on yours and the one Nino sent me that the breaks are pretty much in the same place.
Therefore I filled in this section, added another corner brace as well as larger fillet in the inside to strengthen up a little but allow for 3D printing. Check out the original and improved images and when you fit the supplied one report any fitting issues as well as if the filling in of sections is going to cause a fitting issue.
