Stefania Orrù
Paintings 2020 Paintings 2019 Paintings 2018 Paintings 2017 Paintings 2015 Paintings 2014 Paintings 2010-2013 Paintings 2006-2009
Pastels Emily and I Tales in Stockholm Watercolour 2008
Events Workshop: From Icon to Face Workshop: Flowers (Geometry of Growth)
Opere 2020 Opere 2019 Opere 2018 Opere 2017 Opere 2015 Opere 2014 Opere 2010-2013 Opere 2006-2009
Pastelli Emily ed Io Favole a Stoccolma Acquerelli 2008
Eventi Laboratorio: Dall’Icona al Volto Laboratorio: Fiori (Geometria della Crescita)
Stefania Orrù
 
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FLOWERS: GEOMETRY OF GROWTH

How things grow in the Universe

A FLOWER MEADOW MADE WITH THE FRESCO TECHNIQUE ...

... Discovering the geometries of nature and its representations in the ancient wall paintings of our history, the fresco technique and the workshop work of the great masters of the Middle Ages and the Renaissance
We propose in this project an experience that helps us to understand and recognise the wonder of universal intelligence that is expressed in nature and to reformulate it creatively through group work and the use of an ancient technique that makes use of the elements of nature. itself.

 

 For more information on workshops and bookings, please contact

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TOPICS

  • The fresco: technique, materials, history, work in the workshops of the Middle Ages and the Renaissance

  • The representation of nature in the frescoes

  • Observation of reality, hidden geometry in flowers and the Fibonacci

    sequence

    WHAT WE WILL DO

  • We will observe the geometric structure of plants, flowers, pine cones and starting from an image we will create our preparatory drawing

  • We will make a polish for the dusting starting from the preparatory drawing

  • We will spread the plaster on the prepared board, do the dusting and paint

    the subject with pigments

  • We will remove the fresco

  • We'll have to fix it and reintelate it

  • We will reveal it

  • Finally, we will compose our frescoed flower meadow on a large panel

LESSONS

LESSON 1 (duration 2h)
Presentation of the workshop: the fresco technique, the workshop work, the decorations and the representation of nature in the great frescoes of history, the geometry of flowers and the Fibonacci sequence.

LESSON 2 (duration 2h)
Elements of nature such as flowers, leaves, pine cones are observed.
The drawing is created which will then be made in fresco starting from printed images of flowers, leaves and plants, looking for the lines that form the geometric structure of these subjects and tracing them on the tracing paper. The drawing made on the tracing paper is brought back and the lines are traced with the sangiogna.

LESSON 3 (duration 4h)
Preparation and drafting of the plaster. Dusting.
Painting

LESSON 4 (duration 2h)
Detachment, first phase: spread the bone glue and apply the crinolino

LESSON 5 (duration 2h)
Detachment, second phase: detach the fresco by beating it with a hammer and fix the back with glue and linseed oil

LESSON 6 (duration 2h)
Relining: glue a cotton canvas on the back of the fresco

LESSON 7 (duration 2h)
Unveiling: with hot water remove the crinolino used for detachment

LESSON 8 (duration 2h)
Final composition of the frescoes on the panel

MATERIALS

Tablets prepared with arriccio, lime, river sand, pigments, bone glue, detachment crinoline, white cement, linseed oil, cotton cloth, vinavil, tracing paper

TOOLS
Spatulas, brushes, (medium and small for painting, large for glue), hammer,

TABLETS DIMENSIONS 20x30 cm
MAXIMUM PANEL DIMENSIONS 160x195 cm

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 MORE INFORMATION

The whole Universe grows and develops harmoniously following some natural laws. We find many examples in the plant world that offers us the possibility of seeing with the naked eye the forms that arise from the laws of this development.
The beauty that we perceive in the marvelous geometries of flowers and leaves not only reaches our gaze, but pervades our whole being, making us feel the profound correspondence between the nature that surrounds us and ourselves. These geometries speak to the eternal particles of which we are composed and we recontact the harmonic and balanced state that we spontaneously possess if put in a position to grow and develop freely.

"But how do plants generate these patterns?"

"A long series of experiments conducted on the model plant Arabidopsis thaliana indicate that the answer lies in the role of a plant hormone, auxin, similar to the human neurotransmitter serotonin.

The accumulation of auxin in particular regions of the meristem (https://it.wikipedia.org/wiki/Meristema) determines the position in which the differentiation of a new leaf or a new flower will begin. At the same time, the transport of the hormone to the new leaflet will produce a strong reduction in its concentration in the surrounding regions. We will then have an inhibitory field around the new leaf that prevents the formation of other leaves nearby. It will therefore be necessary to wait for the primordia to grow and move away from the center (temporal definition) until there are regions with a sufficiently high auxin concentration to allow the establishment of a new primordium (spatial definition).

The combined effect of activation and inhibition of differentiation regulated by this hormone determines the spiral geometry of leaves and flowers (PHYLOTASSI). " Fragment from: https://www.scientificast.it/geometrie-piante-fibonacci/

The Fibonacci sequence and the Golden Proportion.

In nature, from the evident number of petals in most flowers to the arrangement of individual flowers in the inflorescences of cauliflower and broccoli, we find in a surprisingly constant way those numbers that are part of the Fibonacci sequence: a numerical sequence given by the rule that:

each number of the sequence is given by the sum of the previous two

and it is called the Golden Number

In plants with leaves arranged in a spiral, for each turn around the stem there are on average Phi leaves, flowers or petals: this means that turning around a stem and moving from the bottom up, we will meet a leaf or a flower every 222 , 5 °, value obtained by dividing the 360 ° rotation angle by Phi ...

It is in the very first stage of development that the final geometry of the plant is determined: the point of the meristem where the differentiation of a new leaf begins is at 222.5 ° with respect to the point where the previous leaf has differentiated.

Hence the spiral, which allows you to minimize the overlap of the leaves and consequently maximize the ability of the plant to capture the light!

So this is the goal in growth.



 

In this project we propose an experience that helps us to understand and recognize the wonder of universal intelligence that is expressed in nature and to reformulate it creatively through group work and the use of an ancient technique that makes use of the elements of nature itself.

 

  For more information on workshops and bookings, please contact

 
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