Cordless Hard Disk Grinder

I used an old PATA HD with 3 platters for a bigger flywheelBrushless Controllerhttps://it.aliexpress.com/item/1005001620753559.html3 x 18650 battery connected in series to have 12vBattery holder and botton cover fix with strong biadhesive, arrow with gluePrint SettingsSupports:NoResolution:0,2Infill:15%Filament brand:SUNLUFilament color:SILVERFilament material:PLA+ SILK