Fig. 2

Details from The Kiss (a–e), Zoomorphic Couple (f, g), The Entire City (h, i) and The Antipope (j–m). The dark texture of wood is visible in (a) and (b) while in the particulars due to the use of a string are clear in (c) and from the digital microscope images (d) and (e) (100X of magnification). The superimposition of different paint layer, attributable to different painting time, are evident especially in (a), (c) and (e). The frottage and dripping techniques can be recognized in (f) and (g). The pattern obtained by using textile blocks is highlighted in (h) while the details in (i) show the effect of abrasion on design and texture. From (j) to (m) the patterns obtained by printing of leaf, of the use of a sponge and decalcomania are illustrated