Ponte di Leonardo / Leonardo’s Bridge

Di tutti i progetti di ponti di Leonardo, il ponte autoportante è certamente il più geniale nella semplicità della sua struttura e costruzione. Non sappiamo se questo ponte sia mai stato messo in pratica, ma non è difficile credere che una costruzione così modulare, estremamente facile da trasportare e da assemblare, debba aver incontrato un grande favore da parte dei signori del Rinascimento che erano sempre alla ricerca di nuove tecnologie da utilizzare per scopi militari. Si tratta infatti di una struttura composta da semplici travi a sezione circolare, che vengono assemblate senza l’uso di fissaggi o giunzioni. Una volta assemblato, il peso del ponte è sufficiente per esercitare la pressione necessaria in modo che le travi longitudinali – chiudendosi come un paio di forbici – blocchino le travi trasversali in posizione, evitando così il collasso della struttura. Maggiore è la pressione sulla parte superiore di questo ponte, maggiore è la sua stabilità. (da www.leonardo3.net)

Of all Leonardo’s bridge designs, the self-supporting bridge is certainly the most ingenious in the simplicity of its structure and construction. We do not know whether this bridge was ever put to practical use, but it is not hard to believe that such a modular construction, extremely easy to transport and to assemble, must have met with great favor from the Renaissance lords who were always on the lookout for new technologies to put to military use. It is in fact a structure composed of simple circular section beams, which are assembled without the use of fastenings or interlocking joints. Once assembled, the weight of the bridge should be sufficient to exert the necessary pressure so that the longitudinal beams – closing like a pair of scissors – lock the transverse beams in place, thus preventing the structure from collapsing. The greater the pressure on the upper part of this bridge, the greater its stability. (from www.leonardo3.net)

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OGS Explora is an oceanic research vessel owned by the Istituto Nazionale di Oceanografia e Geofisica Sperimentale – OGS. The ship offers the national and international scientific community a wide range of functionalities, being equipped with laboratories and scientific equipment that allow it to operate in the fields of geophysics, geology, marine biology, and oceanography.

The Papermodel (scale 1:144)
Paper: 160 gsm, 80 gsm
Lenght: 51.5 cm
Width:8.5 cm
Height: 15.4 cm
Number of parts: 165
Instruction: visual, photo (italian, english)
Difficulty: 3/5

Model Pictures and Photo Instructions available at this page.

Enthusiasts can find photos and interesting information about the original Explora and its sister Prospekta in this old document published by the builder Prakla-Seismos GmbH in Hannover: Geophysical Research Vessels PROSPEKTA and EXPLORA

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Christmas gifts reminder…

Rudolph paper model      Coronelli paper globe     Coelum Stellatum Christianum (Christmas Ball)       Pardies Christmas Ball                                                                     

Posted in 1. Paper Automata, 2. Paper Models, 3. Paper Globes, 5. Paper Toys, 8. Other | 3 Comments

Paper layering bathymetry of South Adriatic

It’s time for experiments…
Paper layering bathymetry of South Adriatic,
the deepest sub-basin (1250 m) in the Adriatic Sea.

Medium: Folia Bringmann 300 g/sqm painted with Epson Stylus Photo R2000


The South Adriatic is the deepest sub-basin of the Adriatic Sea, in the Mediterranean. It is a crucial place where the thermohaline circulation of the Eastern Mediterranean originates through a mechanism called “open ocean convection”.

(from https://en.wikipedia.org/wiki/Adriatic_Sea#/media/File:Adriatic_Sea_Bathymetry.svg)

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WAP with motorized propeller…

Nice improving of my automaton WAP by José Carpio: rotating propeller and fishes jumping in the sea.
Nice job, José 😉
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Landscape #1

Experimenting layering technique with various types of cardstock. Infinite shades can be obtained from high quality printing of white or colored cards.
A world to discover…
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The Facebookuette Cube

Dear friends,
I think now more than ever it is important to practice our greatest attention and use extreme caution before joining, participating, discussing on various social, especially on facebook.
We not always have the necessary concentration for a prudent and reasoned approach, respectful of the truth of the facts and of the appropriate etiquette. Therefore, dear friends, inspired by the complex algorithm developed by Federico Cerioni and published in La Repubblica on August 31, 2016, I designed a simple tool that I hope will be of great help to all of you:
The Facebookuette Cube
This prodigious object, buildable just with scissors and glue, will become the faithful and discreet companion of your raids on fb. The use of The Facebookuette Cube is extremely intuitive and immediate.

Your comments will be henceforth punctual, accurate, documented!

Cari amici,
penso che mai come ora sia importante esercitare la nostra più grande attenzione ed adottare la massima prudenza prima di aderire, partecipare, discutere sui vari social, ed in particolare su facebook.
Non sempre abbiamo la concentrazione necessaria per un approccio cauto e ragionato, rispettoso della verità dei fatti e dell’appropriata etichetta. Per questo, cari amici, ispirato dal complesso algoritmo ideato da Federico Cerioni e pubblicato su La Repubblica il 31 agosto 2016, ho progettato un semplice strumento che spero sarà di grande aiuto a tutti voi:
The Facebookuette Cube
Questo prodigioso oggetto, costruibile semplicemente con forbici e colla, diventerà il compagno fedele e discreto delle nostre scorribande su fb. L’utilizzo de The Facebookuette Cube è estremamente intuitivo ed immediato.

I vostri commenti saranno d’ora in poi puntuali, precisi, documentati!

The Facebookuette Cube
😉 help me to produce new similar high social value objects 😉

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Looking for a Castle?

Do you need a castle to be 3D printed or, much better, to be printed on paper, cutout, and assembled? No matter how many towers, walls, crenellated ramparts you need: with Grand Castle Generator, you and your princess (or prince) will live in your magnificent castle happily ever after…

Here is how it works…

Posted in 8. Other | 2 Comments

Game of Thrones Opening from 7,600 Moleskine Paper Pieces

Direction/Set Design/Animation/Post Production
Director of Photography: Patrizio Saccò
Graphics: Dadomani, Carlo Gazzi
Set Building: Dadomani, Linda Vallone
Music: Ramin Djawadi
Sound Fx: Dadomani
Client: Moleskine

Posted in 1. Paper Automata, 2. Paper Models, 4. Paper Sculpture, 8. Other | 3 Comments


Rudolph paper model
Rudolph is waiting for you! 

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