Design & Technology

The “Design & Technology” exhibition at Marmomacc aims to highlight the technological excellence, processing capacity and creativity of the Italian natural stone industry.

Design e Tecnologia
As the heir to an ancient marble working tradition, Italy still ranks as a major home to extraordinary potential capable of merging design, technology and processing skills.
New computer-controlled engineering systems and digital design today define a new frontier for this ancient material, thereby opening up new ways for designing and working natural stone.
Design e Tecnologia
Top: Raffaello Galiotto, Serpentina. Above: Raffaello Galiotto, Catenata, Corallo, Corona, Madrepora, Porifera, Serpentina. Production Budri, machines Flow Mach3 4020 DynamicXD - Flow Hyperjet Ultra High pressure Pump, Flow

Knowledge and awareness of the material and production processes, informed use and efforts to reduce waste and energy consumption are some of the essential aspects of future stone design projects seen in terms of a creative process promoting stone through a modern image.

The event tackles several specific technical and processing aspects (5-axis bridge saws with tool, diamond disc, lathe, robot, water jet, etc.) through a preview display of experimental works specifically developed by designer and curator Raffaello Galiotto for leading Italian companies in the sector.

Design e Tecnologia
Raffaello Galiotto, Carapace. Producer Omag, material Carrara by Henraux, machine Tower, Omag

The ancient engraving by Albrecht Durer in 1515 inspired Rhinoceros. Just as the manual straight, curved or geometric hatches delineate the two-dimensional figure so does the cutter sculpt the mass and draw the surface. The graphic texture is first digital, using software, and then material by passage of the cutting tool.  It becomes the characteristic feature of the work itself, entirely “machine-made”.

Catenata, Corallo, Corona, Madrepora, Porifera, Serpentina are small marble objects made exclusively using 3D waterjet abrasive cutting technology.

The particularity of these works lies in the complexity of their forms, obtained by following appropriate computer created cutting paths. The machine, thanks to these inclined, incident, multiple and overlapping cuts, is able to produce unexpected curved and perforated three-dimensional solids. Each of these small works investigates and expresses a different geometric problem that is inextricably linked to the specific technology of waterjet cutting.

Design e Tecnologia
Left: Raffaello Galiotto, Evo. Producer Anzilotti, material Carrara, machine Quota stone 3350/4200, Denver. Right: Raffaello Galiotto, Rhinoceros. Producer Citco, Grigio Bardiglio, machine Quadrix DG 2000, Donatoni Macchine
Evo is the result of partial, circular and concentric cuts made by an inclined diamond disk. Its complexity resides in managing the notch cut by the bulk of the disk along its path which, unlike traditional cuts with constant thicknesses, has cutting cross-sections that differ in function of the given path.
Carapace is a shell strewn with sharp wedges made by a diamond disk cutter. The binary, circular and undulating paths lie on the large spherical cap and guide the disk that travels over them with an inclination at 90° with respect to the direction of the path. The result is a three-dimensional surface that is not obtained by traditional 3D software modeling but by passage of the inclined disk.
Design e Tecnologia
Left: Raffaello Galiotto, Crio. Producer Odone Angelo, material Bianco Carrara by GBC Marmi, machine ShapeMill, Breton. Right: Raffaello Galiotto, Spira. Producer Serafini Marmi, material Chiampo Paglierino, machine Zeda 39 CNC, Gmm
The classic grooved column is reinterpreted in Crio by processing by a diamond disk and milling lathe. The disk sinks into the marble following paths that are not parallel to the cutting axis. In this way it models the material and brushes the surface, generating complex and deep forms with a high degree of finish.
In Cora the stone takes on the appearance of an organic material, full of cavities and curved and twisted tunnels, confronting a particular problem: curved drilling. The problem was solved by using a cutter with C-axis control and using a tool with a ball head and thin shaft. The drilling path was made by checking that the thin shaft of the tool does not collide with the wall. In this way a first 90° curved cavity was obtained which, joined to a second, extended the hole up to 180°.
Spire is a kind of column composed by stacking deformed and tapered disks. The particular delicacy of the edges combined with the depth of the cavity was obtained by processing with a diamond disk cutter. After an initial roughing phase the disk executed a series of circular paths with an inclination varying from 0 to 20°. The sinuous and polished surfaces of the work were obtained thanks to this “flickering” effect.

24 – 27 September 2014
Design and Technology
curated by Raffaello Galiotto
Marmomacc 2014

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