Air Raid Siren - modified stronger version

I printed the air raid siren version 2 and ran into some problems when I built it, so I made some modifications to make the siren more durable.

Slicing with a slicer that can print multiple models at once with different infill settings is pretty much required. I used simplify3d.

**To build this you need these metric [mm] bearings:**
(amount x outer diameter / inner diameter / height - model#)

1 x 47/25/12 - SKF 6005-2Z
4 x 16/5/5 - SKF 625-2Z