1kg plastic spool adapter for the Filament Spindle MK1 Box

Do you have a lonely Filament Spindle MK1 Box sitting under your printer recently antiquated by the nifty new 1kg platic spools that Makerbot is now selling? Me too ... so I set about creating an adapter that would allow the FSMK1B to use the new spools. My situation was complicated by the fact that I had partially destroyed my FSMK1B trying to reload it with the second batch of plastic that I had bought for my printer (this was the old 5LB style). In my adapter design I tried to address seve