Angle for an Easy Fix frame (silk painting)

cults3d

It is a replacement part because it happens that the tab holding the fastener breaks and the glueing does not last long; moreover this angle is not in spare part. So I designed this part to help a friend. I deliberately enlarged the passage of the brackets that deform over time. The main difficulty is the removal of the media needed for printing, so I propose 2 STL files, one without media and the other with sufficient media that I added as I tried