Customized version of http://www.thingiverse.com/thing:590871

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=590871

Using the following options:

wireHole2Diameter = 0
terminalNotchRotation = 180
portWallThickness = 8
speakerMountCountersink = 8
flatBottomOfPrintDiameterIfNoBassPort = 20
makeTerminalNotch = false
markingThickness = 0.5
sphereVolumeLiters = 1.5
terminalNotchOvalHeight = 20
speakerHoleDiameter = 37
portLength = 50
numberOfSpeakerScrewHoles = 3
wireHole1Angle = 0
speakerScrewHoleSpacing = 58.2
wireHole1Diameter = 0
useManualSphereInternalDiameter = true
holeAngle = 52
manualSphereInternalDiameter = 90
sphereWallThickness = 5
terminalNotchOvalWidth = 24.5
wireHole2Angle = 270
trenchDepth = 2
terminalNotchInset = 2.2
portInternalDiameter = 15
makeBassPort = true
speakerScrewHoleDiameter = 3.25
speakerMountDiameter = 41