DIGITAL DESIGN + FABRICATION SM1, 2016 M1 JOURNAL - IDEATION Tristan Octaviano
(681058) Michelle James + Group Number
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Measured Drawings
The umbrella was measured using standard methods. Each component of the umbrella was measured using measuring tape and a ruler. Although it is a straightforward object to measure, there was some difficulty in measuring the components inside the umbrella as it was hard to place a large ruler against the small components due to it being a tight space. In order to resolve the issue, the measuring tape was used to measure the smaller metal members of the umbrella. It was initially a challenge to draw the entire object at the scale of 1:5 as it due to the length at which the arms of the umbrella can stretch, but drawing at any smaller scale would make it difficult to represent the finer details in the arms.
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PLAN
SCALE 1:5
SECTION SCALE 1:5
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Analysis
The concept of the umbrella is interesting in the way that it was designed to be large enough to provide shelter/cover for one or even two people while also being mobile and portable enough to fit in a small bag. This is achieved through the extension and retraction mechanism used for every single component of the umbrella. The arms of the umbrella are connected to a central piece that can run up and down the main tube which causes the arms to either stretch out or retract. ANALYTICAL SKETCH
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The arms of the umbrella consist of 3 small steel members and when fully extended become rigid in order to fully stretch out the membrane of the umbrella. The extension of the arms stretch out the membrane and give it enough strength to withstand raindrops without collapsing. The first steel member that make up the arms is the most rigid piece and it is supported by a smaller steel member underneath it. It is orientated in a way that provides triangulation, which effectively makes this part a small truss. The truss system is what provides enough strength for the arms to remain fully extended.
FULLY EXTENDED UMBRELLA
When retracted, the members fold in an interesting way that creates interesting geometries The main tube of the umbrella also uses a retraction and extension mechanism through different means. The tube when pulled out and fully extended is kept rigid by spring mechanisms present at different lengths of the tube.
HALF RETRACTED UMBRELLA
FULLY RETRACTED UMBRELLA
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Digital Model
The drawing process for the umbrella using Rhino involves separating all the individual pieces of the umbrella, sketching each piece then putting it all together manually, as if it was being assembled physically. Most of the components are basic geometries and does not require any special knowledge to draw. The arm of the umbrella is the most challenging part and the arrangement is difficult to do precisely, but once one arm is completed it can easily be copied and repeated to complete the object. The entire drawing required basic knowledge of drawing shapes, extrusion, capping, some of the boolean commands and array. After the structure of the object was completed the object was rendered by applying material textures and color to the components
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01. Model the tube and the bottom cap of the umbrella using the cylinder tool and extend each member to the measured lengths and measured diameters 02. Repeat the same process with the plastic piece, drawing variations in widths and lengths of cylinders 03. Model one arm using the rectangle tool and extrusion command to draw the main steel members and the cylinder tool to draw the small wires 04. Select the arm and use the polar array tool to copy the arm 6 times in a 360 degree angle to complete the structure of the umbrella 05. Draw a surface to model the membrane and use the polar array tool to copy the surface all around the umbrella
06. Add material texture to each of the components
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Sketch Model
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My sketch model is a prototype for this concept of a neck brace structure that encloses the entire head area. The arms or tentacles that extend from the neck brace can be used to hold a fabric or membrane that will surround the head area and provide enclosure and privacy Ideally the model will be made out of steel and will also use the same mechanism as the umbrella which will allow it to retract and expand depending on the user’s preference in order to address any changes in personal space
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Sketch Design #1 COVER/ SURROUND/ HIDE/ ENCAPSULATE/ MASK
What is your idea? [Maximum 5 key words]
How does this respond to your personal space?
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The size of one’s personal space changes depends on who or what is around and this based largely upon what the person can see or hear around them. By covering the person’s face (which is also a very vulnerable part regarding personal space) it deprives the senses and blocks out the outside world. This idea removes any concerns of the proximity of the people around them if they cannot be seen or heard.
Sketch Design #2 EMBRACE/ PROTECTION/WARMTH/COCOON
What is your idea? [Maximum 5 key words]
How does this respond to your personal space? If the entire body is considered when approaching the problem of personal space, this solution provides a way to cover the entirety of the human body. The design considers the feeling of vulnerability when around others and provides a solution by giving total cover for the front of the body. It addresses the varying size of personal space by allowing easy retraction and adjustment, in case the user is surrounded by people they are comfortable with
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Sketch Design #3 SHELL/ NET/ MOBILE/ RETREAT/ DEFENSE/
What is your idea? [Maximum 5 key words]
How does this respond to your personal space? This solution eliminates the problem of personal space completely by providing full cover, acting almost like a personal mobile shelter and closes off the outside world completely
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Appendix
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