Since any craft item is 3Dimensional so we required the 3D thumbprint to compare it with other similar craft of the family e.g.-Diya of same group. So, Microsoft Kinect V2 along with Kscan 3D1.2 and Skanect was used for the scanning and getting a 3D file of the Diya. Microsoft Kinect V2 is a device which has three sensors in scanning an object. The two sensors take the image of the object and the infrared sensor which is the third sensor tries to calculate the depth of the object scanned.
Skanect is a software which helps to read the scanned image and convert it into 3 Dimensional cloud points or any other meshing format which can be read in the system. With the help of device and the software the image of the Diya was scanned to get the 3D file that contains most of the physical features related to curves and the color of the Diya.
Fig.3.30: Kinect V2 and KScan 3D file of the Diya (Image source: Internet and Author generated, 2017)
With the help of 3D file of the Diya the comparison between the different Diya from different craftsman was easier. The next Chapter deals with the analysis of the data collected from the various case studies mentioned in this chapter. For each of the case studies the different tacit as well as the explicit component of the knowledge was calculated.
Process map of the Idol making
Collection of mud/clay
Kneading of mud/clay
Removal of
unwanted material Putting the mud on the mold
Making of the Idol
Removing extra clay to form the structure Drying and
Painting the idol Drying the
idol Finished
idol
The rice hay is tied as per the required human figures in the
forms
Fig.3.31: Process map of Idol making process (Source: Author generated)
The process of idol making starts with the selection of the mud/clay, which is suitable for the idol making. This is done by the craftsman along with checking the quality of the mud in the region nearby. The next step involves in the kneading the mud which is done to smoothen it. Then unwanted materials like grass, straws and stones etc. from the mud is separated. Before using the mud/clay the rice hay is used to make the idol figure. Then the mud is applied to the hay figure built. Once the model is ready the clay is put into the mold to make the jeweler and other accessory of the idol. A cotton cloth is warped around the idol model to avoid the cracks on it. Then a small amount of clay is applied to the idol. The idol is left for drying After the idol is dried up, it is spray painted with the help of water colors. The craftsman then paints the intricate details of the model like the eyes, eyebrows, the nails, the lips and other details which are unique to the idol. After the painting is done the model is decorated with the cloth or other jewelry which was intended for it. After the observation of the idol making process, some of the tacit knowledge involved in its making was extracted. This is shown in the Table-3.3 below.
Table.3.3: Extraction of tacit knowledge from the Idol making process Steps Processes Photos/videos Task/protocols
carried by the craftsman
Knowledge type Explicit
knowledge
Implicit knowledge
1 Obtaining the clay
‘We have to see the quality and the grain size of the mud/clay’
Chemical composition of the mud should be known
The experience of choosing the mud for a time period has made the craftsman to correctly select the mud quality just by seeing it (color).
2 Kneading the mud/clay
‘We need to knead the mud to soften it’
The mud should be soft enough to get a proper shape
The softness of the mud is known by just touching it with hand
3 Removal
of unwanted material
‘we need to remove the grass and stones present in the mud’
Removal of unwanted materials is necessary for the smooth product free from cracks
~
4 The rice hay is tied as per the required figure in the forms
‘we need to accurately make the idol figures’
accurate dimensions of the idol is made
The craftsman can accurately tie the rice hay to how much big the idol has to the made up of. (shape) 5 Putting
the mud on the mold and rice hay structure
‘we tried to give it a compact look’
Accurate structure of the idol is made
The craftsman is making the body of the idol similar to mythology
6 Removing
extra clay to form the structure
‘we look into the details of the idol’
The facial structure, sitting posture, and other details are craved into the idol
The details of mythological
character is built into the
model(comparison)
7 Drying the idol
‘wanted to see that water colour and cotton cloth are equally dried’
The required quantity of drying is done
The craftsman just checks the strength of the idol by drying it
8 Finishing the idol
‘we see any other details which are required to make the idol perfect’
Other accessories like jewellery etc. are put to the idol
The craftsman see that it has come to the desired shape and size as compared to the mythological
character(comparison)
After the tacit and the implicit components of the idol making process was developed the next step was to generate the tacit markers from the protocol analysis. This was used for the digitization of the whole idol making process. Fig.3.32 shows the generation of the tacit markers. These markers are the indicators of the patterns which are followed by the craftsman in their process in different domain.
In case of the idol making process some of the tacit markers are illustrated in the Fig.3.32.
Fig.3.32: Generation of the tacit makers in the Idol making process (Source: Author generated)
The features like color, shape of the idol was considered for the classification of the idols from two different regions. Shown below in the Fig. 3.33 is a classification of the idols based upon the shape of the idol.
Group A
Group N Craft Domain 1
Analyzing each group by dividing each into grids
Normalizing the distances from the extreme points in each
grids
Comparing it with other products in the
same group to get a pattern
Writing a set of rules for that particular group
Classifying them according to the set of rules Group B
Fig.3.33: Classification of the idols based upon the shape of the idols