Using the following options:

crankAxisR = 3 crankLength = 18 musicAxisHolderH = 3.4 MusicCylinderNameFontSize = 6 baseFrequC0 = 16.3516 GENERATE_PULLEY = 1 GENERATE_MUSIC_CYLINDER = 1 GENERATE_CASE = 1 gear_tolerance = 0.1 crankTeeth = 8 pulleySnapL = 1.2 gearH = 3 FOR_PRINT = 1 ro_PLA = 924 wall = 2 pinNrY = 46 pinNrX = 6 crankAxisCutAwayH = 4 MusicCylinderNamePosition = 0 crankGearAngle = 15 gear_hold_R = 4 axisSlack = 0.3 musicCylinderTeeth = 24 epsilonCSG = 0.1 pteethMinD = 1.5 GENERATE_MID_GEAR = 1 pinD = 1.5 pinH = 3 noteAlpha = 5 pins = XoooooooooooXooooooXoooooooooooXooooooXoooooooXoooXoooXoooooooooooooooooXoooooooooooXooooooXoooooooooooXooooooXoooooooooooooooXoooooooooooooooooXoooooooooooXooooooXoooooooooooXooooooXoooooooXoooXoooXooooooooooooooooooooooXoooooooooooooXoooooooooooooXooooXoooooooooooooooXooooo crankSlack = 0.2 gear_gap = 1 midBigTeeth = 20 $fn = 32 midSmallTeeth = 8 E_PLA = 8240000 GENERATE_CRANK = 1 teethNotes = C 1D 1E 1F 1G 1A 1 MusicCylinderNameFont = write/Letters.dxf MusicCylinderName = Pop Goes the Weasel crankDirection = 0 snapAxisSlack = 0.35 crankAxisHolderH = 1.55 diametral_pitch = 0.6 pulleyH = 10 gammaTooth = 1.875 DEBUG_GEARS = 0 teethHolderH = 5 teethHolderW = 5 midAxisHolderH = 3.3 midGearAngle = -5 MusicCylinderNameDepth = 0.6 gear_min_gap = 0.1 pulleySlack = 0.4 crankExtraH = 4 GENERATE_CRANK_GEAR = 1