Two

thingiverse

A customized version of this thing can be created at http://www.thingiverse.com/apps/customizer/run?thing_id=53235 with the following options: teethNotes = C 0C#0D 0D#0E 0F 0F#0G 0G#0A 0A#0B 0C 1C#1D 1D#1E 1F 1; MusicCylinderNamePosition = 0; midAxisHolderH = 3.3; ro_PLA = 924; pteethMinD = 1.5; musicCylinderTeeth = 24; crankAxisHolderH = 1.55; MusicCylinderNameDepth = 0.6; DEBUG_GEARS = 0; crankSlack = 0.2; midBigTeeth = 20; MusicCylinderName = test song; pinNrY = 35; pinNrX = 13; pulleySlack = 0.4; gearH = 3; GENERATE_CASE = 1; musicAxisHolderH = 3.4; wall = 2; gear_min_gap = 0.1; baseFrequC0 = 16.3516; midSmallTeeth = 8; MusicCylinderNameFont = write/Letters.dxf; $fn = 32; GENERATE_MUSIC_CYLINDER = 0; MusicCylinderNameFontSize = 8; midGearAngle = -5; E_PLA = 8240000; crankLength = 18; pinD = 1.5; pinH = 3; pins = XoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooooooooooooXoooXooXoooooooooooooooooooXoooXooXoooooooooooooooooooXoooXooXoooooooooooooooooooXoooXooXoooooooooooooooooooXoooXooXoooooooooooooooooooXoooXooXoooooooooooooooooooXoooXooXoooooooooooooXooXoooXoooooooooooooooooooXooXoooXoooooooooooooooooooXooXoooXoooooooooooooooooooXooXoooXoooooooooooooooooooXooXoooX; crankGearAngle = 15; gear_tolerance = 0.1; GENERATE_PULLEY = 0; FOR_PRINT = 1; crankAxisR = 3; crankDirection = 0; diametral_pitch = 0.6; gammaTooth = 1.875; GENERATE_CRANK = 0; axisSlack = 0.3; gear_gap = 1; gear_hold_R = 4; crankExtraH = 4; noteAlpha = 5; crankAxisCutAwayH = 4; pulleySnapL = 1.2; crankTeeth = 8; teethHolderH = 5; teethHolderW = 5; pulleyH = 10; GENERATE_CRANK_GEAR = 0; epsilonCSG = 0.1; snapAxisSlack = 0.35; GENERATE_MID_GEAR = 0. Check out http://www.thingiverse.com/thing:53235 for the original design!