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workshops:public:memory_wire_origami:start [2022/11/24 12:42]
Michelle Brown 		workshops:public:memory_wire_origami:start [2023/04/15 11:15] (current)
Michael Byrne ↷ Links adapted because of a move operation
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-{{workshops:prototypes:memory_wire_origami:20160630_0001_sheet_1.jpg?600}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0001_sheet_1.jpg?600}}
  
 Developed in 2016. Developed in 2016.
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 Faster flapping and 360<sup>o</sup> movements can be achieved by using a twisting motion (torsion springs). Wire is trained into a Z shape, and by turning one end through 360<sup>o</sup>, while keeping the other end fixed, the centre becomes twisted. The diagram below shows how this is done: \\ Faster flapping and 360<sup>o</sup> movements can be achieved by using a twisting motion (torsion springs). Wire is trained into a Z shape, and by turning one end through 360<sup>o</sup>, while keeping the other end fixed, the centre becomes twisted. The diagram below shows how this is done: \\
  
-{{:workshops:prototypes:memory_wire_origami:folding_diagram.png?nolink&1000|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:folding_diagram.png?nolink&1000|}}
  
  
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  ==== Step Zero:  Your Kit ====  ==== Step Zero:  Your Kit ====
  
-{{:workshops:prototypes:memory_wire_origami:20160630_0001_sheet_1.jpg?nolink&300x200|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0001_sheet_1.jpg?nolink&300x200|}} 
-{{:workshops:prototypes:memory_wire_origami:20160630_0002_sheet_2.jpg?nolink&300x200|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0002_sheet_2.jpg?nolink&300x200|}}
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 If you are using the kit, then you will have two sheets with the design printed on them as above. As usual, solid lines indicate where to cut, and dashed lines indicate where to score for folding. If you are using the kit, then you will have two sheets with the design printed on them as above. As usual, solid lines indicate where to cut, and dashed lines indicate where to score for folding.
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 Cut out the pieces using sharp scissors. Cut out the pieces using sharp scissors.
  
-{{:workshops:prototypes:memory_wire_origami:20160630_0003_cut_pieces.jpg?nolink&300x200|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0003_cut_pieces.jpg?nolink&300x200|}}
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 After cutting the horizontal sliding guide into the backdrop, fold the supports at the bottom so the outside flaps bend towards the front, and the centre flap bends towards the back. After cutting the horizontal sliding guide into the backdrop, fold the supports at the bottom so the outside flaps bend towards the front, and the centre flap bends towards the back.
 \\ \\
-{{:workshops:prototypes:memory_wire_origami:20160630_0004_cut_sheet_2_rotated.jpg?nolink&300x200|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0004_cut_sheet_2_rotated.jpg?nolink&300x200|}}
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 You can now stand the backdrop vertically along the guideline on the base sheet, and use tape to hold it in place. Try to get it as vertical as possible, but this can be adjusted later if necessary. You can now stand the backdrop vertically along the guideline on the base sheet, and use tape to hold it in place. Try to get it as vertical as possible, but this can be adjusted later if necessary.
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-{{:workshops:prototypes:memory_wire_origami:20160630_0005_sheet_2_standing_rotated.jpg?nolink&300x200|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0005_sheet_2_standing_rotated.jpg?nolink&300x200|}}
  
  
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-{{:workshops:prototypes:memory_wire_origami:20160630_0006_battery_holder_flat.jpg?nolink&300x200|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0006_battery_holder_flat.jpg?nolink&300x200|}} 
-{{:workshops:prototypes:memory_wire_origami:20160630_0007_battery_holder_creased.jpg?nolink&300x200|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0007_battery_holder_creased.jpg?nolink&300x200|}}
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 Attach the battery connector to the top of the battery (as shown), and place it inside the creased battery holder. Attach the battery connector to the top of the battery (as shown), and place it inside the creased battery holder.
  
-{{:workshops:prototypes:memory_wire_origami:battery_holder_with_battery_close_up.jpg?nolink&300x200|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:battery_holder_with_battery_close_up.jpg?nolink&300x200|}}
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 Tape the holder closed (the tab will help hold things in place), and bring the attached wires through the slots provided. Now tape the terminal connections down onto the sides of the holder, making sure that the copper contacts are not covered. Tape the holder closed (the tab will help hold things in place), and bring the attached wires through the slots provided. Now tape the terminal connections down onto the sides of the holder, making sure that the copper contacts are not covered.
  
-{{:workshops:prototypes:memory_wire_origami:battery_holder_finished_close_up.jpg?nolink&200|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:battery_holder_finished_close_up.jpg?nolink&200|}}
 <WRAP pagebreak></WRAP> <WRAP pagebreak></WRAP>
  ==== Step Four: Fitting the slider to the Tiger  ====  ==== Step Four: Fitting the slider to the Tiger  ====
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 (Don't forget to cut along the lines before this, using a craft knife). (Don't forget to cut along the lines before this, using a craft knife).
  
-{{:workshops:prototypes:memory_wire_origami:slider_close_up.jpg?nolink&300x300|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:slider_close_up.jpg?nolink&300x300|}} 
-{{:workshops:prototypes:memory_wire_origami:slider_creased_close_up.jpg?nolink&300x300|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:slider_creased_close_up.jpg?nolink&300x300|}}
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 Use a short piece of tape along the back to hold the crease in place when you are sure the slots line up. Use a short piece of tape along the back to hold the crease in place when you are sure the slots line up.
-{{:workshops:prototypes:memory_wire_origami:slider_folded_close_up.jpg?nolink&300x300|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:slider_folded_close_up.jpg?nolink&300x300|}}
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 Now locate the locking tab, and score along the dotted line before folding into a triangle and taping it together.\\ Now locate the locking tab, and score along the dotted line before folding into a triangle and taping it together.\\
-{{:workshops:prototypes:memory_wire_origami:lock_close_up.jpg?nolink&300x300|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:lock_close_up.jpg?nolink&300x300|}} 
-{{:workshops:prototypes:memory_wire_origami:lock_folded_close_up.jpg?nolink&300x300|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:lock_folded_close_up.jpg?nolink&300x300|}}
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 The slider is attached to the back of the tiger (or whatever moving piece you have in your design) with pieces of tape.\\ The slider is attached to the back of the tiger (or whatever moving piece you have in your design) with pieces of tape.\\
-{{:workshops:prototypes:memory_wire_origami:tiger_and_slider_close_up.jpg?nolink&400x400|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_and_slider_close_up.jpg?nolink&400x400|}} 
-{{:workshops:prototypes:memory_wire_origami:20160630_0016_slider_attached.jpg?nolink&300x300|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0016_slider_attached.jpg?nolink&300x300|}}
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 Attach one end of the trained memory wire to the leading point of the moving piece. Use small pieces of tape to hold it in place, and attach it to the back for best effect.\\ Attach one end of the trained memory wire to the leading point of the moving piece. Use small pieces of tape to hold it in place, and attach it to the back for best effect.\\
-{{:workshops:prototypes:memory_wire_origami:tiger_with_mem_wire_close_up.jpg?nolink&300x300|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_with_mem_wire_close_up.jpg?nolink&300x300|}} 
-{{:workshops:prototypes:memory_wire_origami:tiger_with_mem_wire_attached_close_up.jpg?nolink&300x300|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_with_mem_wire_attached_close_up.jpg?nolink&300x300|}}
 \\ \\
 Make sure the memory wire is oriented so that movement will occur in the direction you want - this is why the wire is not straightened at this point - in this case, it will concertina along the same plane as the flat tiger image when activated.\\ Make sure the memory wire is oriented so that movement will occur in the direction you want - this is why the wire is not straightened at this point - in this case, it will concertina along the same plane as the flat tiger image when activated.\\
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 \\ \\
 Now slide the tiger into the slot in the backdrop, and insert the triangular locking piece into the slot in the slider to hold things in place. \\ Now slide the tiger into the slot in the backdrop, and insert the triangular locking piece into the slot in the slider to hold things in place. \\
-{{:workshops:prototypes:memory_wire_origami:20160630_0019_tiger_inserted_back_rotated.jpg?nolink&300x300|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0019_tiger_inserted_back_rotated.jpg?nolink&300x300|}} 
-{{:workshops:prototypes:memory_wire_origami:20160630_0020_tiger_inserted_front_rotated.jpg?nolink&300x300|}}\\+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0020_tiger_inserted_front_rotated.jpg?nolink&300x300|}}\\
  
 Push it all the way back along the slot, and straighten the memory wire. bending the end if necessary, and fix it to the back of the backdrop with some tape.\\ Push it all the way back along the slot, and straighten the memory wire. bending the end if necessary, and fix it to the back of the backdrop with some tape.\\
  
-{{:workshops:prototypes:memory_wire_origami:20160630_0021_mem_wire_stretched_rotated.jpg?nolink&300x300|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0021_mem_wire_stretched_rotated.jpg?nolink&300x300|}} 
-{{:workshops:prototypes:memory_wire_origami:memwire_attached_to_back_close_up.jpg?nolink&300x300|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:memwire_attached_to_back_close_up.jpg?nolink&300x300|}}
  
  ==== Step Five: Completing the circuit ====  ==== Step Five: Completing the circuit ====
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 All that remains is to connect the trailing pieces of fine copper wire to the battery cover, so that the circuit can be completed when the flaps are pressed onto the battery terminals. It is important to ensure that the naked wire is taped to the __inside__ of the flaps, and that any tape used does not come between the end of the wire and the copper tape attached to the battery terminal.\\ All that remains is to connect the trailing pieces of fine copper wire to the battery cover, so that the circuit can be completed when the flaps are pressed onto the battery terminals. It is important to ensure that the naked wire is taped to the __inside__ of the flaps, and that any tape used does not come between the end of the wire and the copper tape attached to the battery terminal.\\
 Making a small loop at the end of the copper wire helps the connection to be made.\\ Making a small loop at the end of the copper wire helps the connection to be made.\\
-{{:workshops:prototypes:memory_wire_origami:20160630_0023_batt_holder_attached_unfolded.jpg?nolink&300x300|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0023_batt_holder_attached_unfolded.jpg?nolink&300x300|}} 
-{{:workshops:prototypes:memory_wire_origami:battery_supprt_loop_close_up.jpg?nolink&300x300|}} +{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:battery_supprt_loop_close_up.jpg?nolink&300x300|}} 
-{{:workshops:prototypes:memory_wire_origami:20160630_0024_batt_holder_attached_folded.jpg?nolink&300x300|}}\\+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0024_batt_holder_attached_folded.jpg?nolink&300x300|}}\\
 \\ \\
 Now, slide the battery in the battery holder inside the battery support, and squeeze the flaps onto the battery to test that the design works.\\ Now, slide the battery in the battery holder inside the battery support, and squeeze the flaps onto the battery to test that the design works.\\
-{{:workshops:prototypes:memory_wire_origami:20160630_0025_batt_inserted_rotated.jpg?nolink&300x300|}}\\+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0025_batt_inserted_rotated.jpg?nolink&300x300|}}\\
 If you are happy, tape the top tab on the battery support onto the back of the backdrop, and it will help keep things vertical. If you are happy, tape the top tab on the battery support onto the back of the backdrop, and it will help keep things vertical.
  
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 All the remains is to add the other pieces of the scene on the base in a way that preserves the dramatic effect of the design - having the tiger hidden behind some bushes before activating the memory wire makes its movement more surprising.\\ All the remains is to add the other pieces of the scene on the base in a way that preserves the dramatic effect of the design - having the tiger hidden behind some bushes before activating the memory wire makes its movement more surprising.\\
 \\ \\
-{{:workshops:prototypes:memory_wire_origami:20160630_0027_scene_front_view.jpg?nolink&300x300|}}\\+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0027_scene_front_view.jpg?nolink&300x300|}}\\
 \\ \\
 You can see from this view how the pieces are offset and arranged to create a 3-D effect:\\ You can see from this view how the pieces are offset and arranged to create a 3-D effect:\\
-{{:workshops:prototypes:memory_wire_origami:20160630_0026_scene_top_view_rotated.jpg?nolink&300x400|}}+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:20160630_0026_scene_top_view_rotated.jpg?nolink&300x400|}}
  
  ==== Operational Tips ====  ==== Operational Tips ====
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  ==== Further Reading ====  ==== Further Reading ====
    
-{{:workshops:prototypes:memory_wire_origami:flexinol-technical-data.pdf|This reference}} contains more information about using different types of memory wire.\\+{{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:flexinol-technical-data.pdf|This reference}} contains more information about using different types of memory wire.\\
  
- {{:workshops:prototypes:memory_wire_origami:nitinol_videos.docx|This document}} lists a variety of (mainly Youtube) videos of memory wire being used for a variety of effects.\\+ {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:nitinol_videos.docx|This document}} lists a variety of (mainly Youtube) videos of memory wire being used for a variety of effects.\\
  
-Some scientific papers showing more recent and practical applications of memory wire can be found {{:workshops:prototypes:memory_wire_origami:2014_biobio_flytrap-robot.pdf|here}}, {{:workshops:prototypes:memory_wire_origami:asme_idetc2014_torsionalsma0517_final.pdf|here}} and {{:workshops:prototypes:memory_wire_origami:torsional_actuators.pdf|here}}.+Some scientific papers showing more recent and practical applications of memory wire can be found {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:2014_biobio_flytrap-robot.pdf|here}}, {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:asme_idetc2014_torsionalsma0517_final.pdf|here}} and {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:torsional_actuators.pdf|here}}.
  
  
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  ==== Files ====  ==== Files ====
  
-Design files (in adobe illustrator format) for the creeping tiger are {{:workshops:prototypes:memory_wire_origami:tiger_popup_part2.ai|here}} and {{:workshops:prototypes:memory_wire_origami:tiger_popupcard_v1_a4.ai|here}}.\\+Design files (in adobe illustrator format) for the creeping tiger are {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_popup_part2.ai|here}} and {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_popupcard_v1_a4.ai|here}}.\\
 \\ \\
-A pdf version of the original colour design is {{:workshops:prototypes:memory_wire_origami:tiger_popupcard_v1_a4.pdf|here}}.\\+A pdf version of the original colour design is {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_popupcard_v1_a4.pdf|here}}.\\
 \\ \\
-And pdfs of the  design with battery holder and cutting guides are {{:workshops:prototypes:memory_wire_origami:tiger_popup_part1.pdf|here}} and {{:workshops:prototypes:memory_wire_origami:tiger_popup_part2.pdf|here}}.+And pdfs of the  design with battery holder and cutting guides are {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_popup_part1.pdf|here}} and {{workshops:prototypes:2022-23delivery-lasercutcovers:memory_wire_origami:tiger_popup_part2.pdf|here}}.
  
  

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