Ghostbusters proton pack bumper

This is the bumper for the proton pack build. I had to split it into three parts for my printers bed. Mounted with screws and glued together, it should be strong enough.. Each part will fit on a common 200x200 bed.

Update: Properly voided slots for the joiner on the three main parts. This should give good mechanical strength and alignment once glued. Also reduced the joiner in dimensions a few tenths of a millimeter so they would fit in the holes! (ha!)

Update 2: There's some ghost data in the middle part. Even netfabb couldn't see it. However, each slicer I tried wanted to print a weird rectangular shape on the first layer. I finally used Cura, which allowed me to discard the first .5mm of the print before exporting the G-code. I've loaded the part in blender, and looked, but there's nothing there, so I guess the ghostbusters might actually be needed for a real fix. Meantime, use Cura to slice it and drop the first .5mm.

Update 3: Be careful with the side th