Diabolical Burr aka Dia-ball-ical Burr

This is a 7-piece burr with very unusual pieces.  Unlike most burrs, the hard part is figuring out the assembled form. I don't include a photo of the assembled puzzle, as it is a spoiler. The assembled puzzle interlocks nicely and will not fall apart, it fits neatly inside a 2" cubical box.

Printing tips: I use extra bottom shell layers, this will strengthen the thin connectors.  I like to use at least 6 bottom shell layers. You can also increase the number of perimeters.  Turn on supports as two of the pieces need supports.