Standard building specifications for the Cello
Size
1/23/47/84/4






CorpusLength
655
690
720
750
Width - Upper Section
290
315
326
342
Width - Middle Section
200
210
225
238
Width - Lower Section
375
400
413
432
RibsHeight
100
105
110
115
Thickness (average)
1.5
1.6
1.6
1.7
Building FormThickness
50
LiningsWidth
16
Thickness
2.5
Blocks (size)Upper
90 x 30
Lower
85 x 30
Upper Corners
20 x 30
Lower Corners
22 x 40
Arching Heights Back
24
25
26
28
Top
25
26
27
29
Average Thickness (Back) At Soundpost
6.0
6.5
6.8
7.0
End sections
2.8
3.0
3.3
3.4
Hollowed edge
2.6
2.8
3.0
3.1
Midsection
3.0
3.2
3.5
3.6
Edges
4.7
4.7
5.0
5.0
Average Thickness (Top) At Soundpost
3.8
4.2
4.5
4.7
End sections
2.8
3.1
3.4
3.5
Hollowed edge
2.7
2.9
3.1
3.2
Midsection
3.0
3.2
3.5
3.7
Edges
4.9
5.0
5.2
5.3
EdgesOverhang from ribs
3
PurflingAverage distance from edge
4 - 4.5
Average width
1.4 - 1.5
F Holes Length
120
124
128
130
Distance apart at top
86
88
95
98
Distance from edge at lower end

26
28
Mensur (7:10 proportion) Top
350
370
390
400
Neck length
245
259
273
280
Bass Bar (after fitting 5:4/4:3) Average length
480
535
550
580
Width
8.5
9.0
9.5
10
Average height at center212323.524
FingerboardLength510550570590
Length of hollow


215
Width at nut28293031
Width at bridge end59606164
Thickness at center


15
Thickness at edges


8
Height above top (bridge end)


80
ScrollLength

194204
Width at ears


68
NutThickness


8
SaddleLength50525455
ButtonLength25262829
Width202121.522
PegboxWidth at nut (set out)39414345
Width at throat


31
Length


135
PegsDistance apart at centers


100/28
Length form wall of box


60
NeckHeight of foot (above top at purfling) 18192021
Angle with body


83°
Thickness at center


28/34
SoundpostThickness891011
BridgeWidth at foot


90
Thickness


8
Width of foot


9
Height


92
Curve


144°
Angle of strings at bridge


153°
StringsWidth at nut20212223
Width at bridge41424344
Length (nut to bridge)602637672690
Distance above fingerboard (Steel)C = 6.5, A = 4.5
Distance above fingerboard (Gut)C = 8, A = 6