TECHNIQUE BY "SUPERPOSITION"

 

 

The technique of marquetry called "by superposition" by Carole Szwarc (CTM n° 6) and also "painting out of wood" (Pierre Ramond, conference of Sorrèze-Revel) is described in the books of Xavier Dyevre and Patrick Delarme. P. Ramond also talks about that in the fisrt volume of his trilogy (Chefs d'oeuvres des marqueteurs) This one consists in superposing in the same package of the different veneers, in order to obtain in final the only one table cut out with the saw in once.


Let us take the example of a bunch of flowers.

Realization of a work by

Wood necessary are (see the drawing):

- a connection of 2 half different plates (if one wishes 2 tone of gray for the bottom) assembled with the knife,
- 2 flowers are white in 2 zones of the table, and there will be care to place two veneers parts of sycamore in these 2 zones, larger than cuttings,
- 2 flowers are pink, one will place 2 pieces of wood pink on these sites...
- the blue wood which will represent the vase is to be placed in the zone of the vase,
- the positioning of these "zones" can be facilitated using a copy of the drawing,
- 2 different greens must represent the sheets, and like there is a little everywhere in the table, one places 2 complete plates of the clear and dark greens
- another brown veneer sheet (in the vertical direction preferably) is added for the stems of the flowers.

In my example, the final table only comprises 8 wood different for a superposition from 5 layers of wood ! One obtains thus only one package to be cut out in once that one assembles in a "sandwich" of 2 laminate (example: samba of 2 mm).


Realization of a bouquet by



Advantages of this method which is, one can say it, an alternative of the Boulle method: Simultaneous cutting gives a perfect assembly . It makes it possible to realize with very few means in platings, a table of very good quality. Moreover, it is possible to arm various platings with a sheet with kraft paper to prevent breakage. The kerf needs less to be followed to the 1/10 eme of mm , because a variation on a wood is automatically reflected on the others. Lastly, one obtains a "single part".


Disadvantages : One is limited in a number of venners, the loss of plating is more important, the direction of the wire of wood used (ex sheets) is imposed in all the table, one cannot as easily choose the veins of the venners as in the method "element by element". Moreover, it is necessary to take into account the holes and the passages of the web, borings must be made at least visible possible places, therefore in wood dark preferably, like of Boulle method. Lastly, it is strongly disadvised making points like our model, and one cannot move back at the time of sawing.



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