Handcraftingin archaeomusicological research

– record of a one-year apprenticeship alongside a

traditional-flute-maker and its application to sound

archaeology –

UNIVERSITÉ DE BOURGOGNE

Ecole doctorale LISIT

(Langages, Idées, Sociétés, Institutions, Territoires)

UMR CNRS 6298 ARTEHIS

Etienne SafaPhD student (2nd y.)

etienne.safa@u-bourgogne.fr

Thesis supervisor: Martine Clouzot

Sound makingIFAO, Paris, 2016 jan. 14-16

1/13

Introduction

2/13

Introduction

3/13

Meeting a craftsman

Handcrafting4/13

Meeting a craftsman

Geometry

Tool marks

Acoustics

Sound behaviour

Flutes…

Géométrie

Traces d’outils

Acoustique

Comportement sonore

Handcrafting5/13

Meeting a craftsman

PhD

thesis

traps

what

how

Experimental

archaeology

Experiments

Handcrafting6/13

Experiments

Experiments

1

> 1 ton

< 1 ton

≈ 1 ton

≈ ½ ton

> ½ ton

Principle…

Handcrafting

Replicating

7/13

Experiments

Statistics…

C

D

E

Experiments

1

-52

-38

-41

Handcrafting

Replicating

8/13

1043

1170

1319

+20

+10

-13

-57

-38

-40

-79

-63

-57

-32

-17

-17

Experiments

Statistics…

C

D

E

Experiments

1

-52

-38

-41

Handcrafting

Replicating

8/13

1043

1170

1319

+20

+10

-13

-57

-38

-40

-79

-63

-57

-32

-17

-17

Average

Stadard deviation

Statistic laws

Statistics by W. Duchemin,

UMR CNRS 5558 – LBBE, Lyon

Experiments

Statistics…

C

D

E

Experiments

1

-52

-38

-41

Handcrafting

Replicating

8/13

1043

1170

1319

+20

+10

-13

-57

-38

-40

-79

-63

-57

-32

-17

-17

Experiments

Statistics…

C

D

E

Experiments

1

-52

-38

-41

Handcrafting

Replicating

8/13

1043

1170

1319

+20

+10

-13

-57

-38

-40

-79

-63

-57

-32

-17

-17

♫

Experiments

Statistics…

C

D

E

Experiments

1

-52

-38

-41

Handcrafting

Replicating

8/13

1043

1170

1319

+20

+10

-13

-57

-38

-40

-79

-63

-57

-32

-17

-17

♫

Experiments

Statistics…

C

D

E

Experiments

1

-52

-38

-41

Handcrafting

Replicating

8/13

1043

1170

1319

+20

+10

-13

-57

-38

-40

-79

-63

-57

-32

-17

-17

♫

♫ ♫

To be continued…

Archaeology

Statistics

Handcraft

Experiments

More statistics…

Experiments

1

Handcrafting

Replicating

9/13

T0

deviation

Sample

Resolution

How to use

replicas?

Technical

needs

Limits

&

Context

Needed

Data

µCT-ScanRes.=92.2µm

By CNPAO*

Experiments

Experiments

12

Handcrafting

Replicating

3D processing

11/13

*CNPAO = Conservatoire Numérique du Patrimoine

Archéologique de l’Ouest (Rennes)

*Eng. trans. = Digital Conservatory for Western

Archaeological Heritage

µCT-ScanRes.=92.2µm

By CNPAO*

Experiments

Experiments

12

Handcrafting

Replicating

3D processing

11/13

*CNPAO = Conservatoire Numérique du Patrimoine

Archéologique de l’Ouest (Rennes)

*Eng. trans. = Digital Conservatory for Western

Archaeological Heritage

µCT-ScanRes.=92.2µm

By CNPAO*

Experiments

Experiments

12

Handcrafting

Replicating

3D processing

11/13

*CNPAO = Conservatoire Numérique du Patrimoine

Archéologique de l’Ouest (Rennes)

*Eng. trans. = Digital Conservatory for Western

Archaeological Heritage

3D printingBy IUT Le Creusot,

FabLab Utopi & Le2i**

µCT-ScanRes.=92.2µm

By CNPAO*

Experiments

Experiments

12

ThreadMachine

Res.=136µm

ResinMachine

Res.=96,3µm

Handcrafting

Replicating

3D processing

11/13

*CNPAO = Conservatoire Numérique du Patrimoine

Archéologique de l’Ouest (Rennes)

*Eng. trans. = Digital Conservatory for Western

Archaeological Heritage

**Le2i = Laboratoire Electronique, Informatique et Image

**Eng. Trans. = Electronic, Computer science and Image

Laboratory

Experiments

Experiments

2

Thread Resin

Os de chèvre

Handcrafting

Replicating

3D processing

12/13

Experiments

Experiments

2

Thread Resin

Os de chèvre

Handcrafting

Replicating

3D processing

12/13

Experiments

Experiments

2

Thread Resin

Os de chèvre

Handcrafting

Replicating

3D processing

12/13

1699

1521

1313

1210

1090

+9

+19

-3

-2

-19

Experiments

Experiments

2

Thread Resin

Os de chèvre

Handcrafting

Replicating

3D processing

12/13

1699

1521

1313

1210

1090

+9

+19

-3

-2

-19

Conclusions

Great perspectives…

Rewards beyond difficulties…

Crafting-archaeology…

13/13 Handcrafting

Replicating

3D processing

Thanks for your attention

UNIVERSITÉ DE BOURGOGNE

Ecole doctorale LISIT

(Langages, Idées, Sociétés, Institutions, Territoires)

UMR CNRS 6298 ARTEHIS

Etienne SafaPhD student (2nd y.)

etienne.safa@u-bourgogne.fr

Thesis supervisor: Martine Clouzot

Sound makingIFAO, Paris, 2016 jan. 14-16

Machines details

Tomographe à tube microfoyer de Phoenix Xray

(aujourd’hui General Electric), modèle VTome X 240D tension : 120 kV

intensité : 700 µA

Temps d’acquisition par images : 400 ms

Nombre d’images moyennées par projection : 3

Nombre d’images supprimées par projection (pour éviter l’effet de

rémanence du détecteur) : 1

Nombre de projections (radiographies) : 600

MakerBot Replicator 2 Desktop 3D Printer

MakerBot Industries

Objet30 Pro (Stratasys) Épaisseur de couche : 28 microns (0,0011 po) ; 16 microns pour matériau

VeroClear (0,0006 po)

Résolution d'impression : Axe X : 600 ppp ; axe Y : 600 ppp ; axe Z :

900 ppp

Précision : 0,1 mm (0,0039 po), peut varier en fonction de la forme de

la pièce, de sa taille, de son orientation, du matériau utilisé et de

la méthode de post-traitement

PRINT TECHNOLOGY Fused Deposition Modeling

BUILD VOLUME 28.5 l x 15.3 W x 15.5 h cm

LAYER RESOLUTION 100 microns [0.0039 in]

FILAMENT DIAMETER 1.75 mm [0.069 in]

FILAMENT COMPATIBILITY MakerBot ® pla Filament

BUILD PLATFORM glass