21 Curvy Copter

Transcription

21 Curvy Copter

21
Puzzle Goal:
Curvy Copter
Rotate the edges of the puzzles in increments of 180° to scramble the colors. To goal is then to
restore each face to a solid color by doing more rotations.
It is also possible to do 70.53° (cos-1( 1/3)) turns, increasing difficulty as these so-called jumbling
moves allow more positions to be reached.
Materials:
Nylon (selective laser sintering), self-adhesive vinyl
Classification:
Sequential movement
History:
Inspired by the Bevel Cube (Okamoto) and Helicopter Cube (Cowan). By angling the cuts of the
Bevel/Helicopter Cube, the otherwise hidden edge pieces were made visible. The visibility of these parts
makes the puzzle much more difficult to solve.
The angled cuts create a face pattern with beautiful curves, from which the puzzle gets its name.
Copyright © 2010
IPP Design Competition
All rights reserved.
21
Curvy Copter
Puzzle Solution:
A good general approach is to first solve the corner elements, then the face elements and finally
the edge elements.
Placing the corners is relatively easy. Solving the faces can be done using these move
sequences:
- FR UF FR UF FR UF
- (turn UF clockwise by 70.53°) FR UF FR UF FR UF (turn UF counter clockwise by 70.53°)
- (turn UL counter clockwise by 70.53°) (turn FR counter clockwise by 70.53°) UF (turn UL
clockwise by 70.53°) (turn FR clockwise by 70.53°)
The notation uses six letters, F R L U B D, which respectively stand for the front, right, left, up,
down and back faces. A combination of these two letters is used to denote turning the respective
edge by 180°.
These move sequences can be adapted to solve the faces. They are also useful in the last step,
orienting the edges.
Copyright © 2010
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Enveloop
Puzzle Goal:
Remove the stick with string from the envelope, without breaking any part.
Materials:
Wooden stick, waxed string, paper envelope
Classification:
Disentanglement Puzzles / Tanglement puzzles (TNG)
Copyright © 2010
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Enveloop
Puzzle Solution:
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Everlasting Gobstopper
Puzzle Goal:
Disassemble and reassemble. Various other shapes are possible.
Materials:
assorted exotic hardwoods, steel dowel pins
Classification:
3D interlocking solid
History:
Based on Stewart Coffin's "Pennydoodle" puzzle, this set of 12 pieces (four of which are duplicates) was
chosen based on BurrTools analysis.
Copyright © 2010
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Everlasting Gobstopper
Puzzle Solution:
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Ex 3
Puzzle Goal:
Arrange the three pieces to make a symmetric shape.
Materials:
Acrylic board
Classification:
Silhouette puzzle
Copyright © 2010
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Ex 3
Puzzle Solution:
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Globular Embrace 4 Rings
Puzzle Goal:
Disassemble and reassemble four interlocked rings.
Materials:
Plexiglas
Classification:
Slocum 3.2 Interlocking geometric object
Copyright © 2010
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Globular Embrace 4 Rings
Puzzle Solution:
Step 1. Starting position.
Step 2. Push-turn by long finger the right ring inside.
Step3. Slide the ring in right hand into the interior round area
in the cross pair.
Step4. Dispose the moved ring in the middle of mentioned
area parallel to this one in left hand.
Step5. Take the lower ring with right hand and the thumb of
left. Push slightly by the long finger of left hand the lower
edge of the left ring along to the center so that the right
doublet should repeat its motion.
Step6. The left ring slides into the circle area in the center.
Step7. Turn further and take off the lower ring
Step 8. Disassembling of the remainder rings is obvious
To reassemble the puzzle is recommended to reverse the disassembly steps.
Copyright © 2010
26
Harmony
Puzzle Goal:
Remove the note from the treble clef.
Materials:
brass
Classification:
4.1. Disentanglement cast puzzle
Copyright © 2010
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Harmony
Puzzle Solution:
Copyright © 2010
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Hinomaru (The Flag of Japan)
Puzzle Goal:
Take apart the three pieces.
Materials:
PVC 4 mm
Classification:
INT-SHAP
Copyright © 2010
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Hinomaru (The Flag of Japan)
Puzzle Solution:
With 3 hands (2 person) hold the three yellow points with on finger on both sides and move the
three pieces simultaneously, carefully without force outwards.
Copyright © 2010
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Homage Puzzle
Puzzle Goal:
Separate the two identical pieces.
Materials:
Brazilian purple wood, birch
Classification:
Take-apart
History:
This design pays homage to Nob Yoshigahara's Dualock Puzzle, but the similarity is only visual.
Copyright © 2010
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Homage Puzzle
Puzzle Solution:
The two parts lock together because at least one of the rods is in the “in” position. To move all the
rods into the “out” position so that the two parts can be separated, do as follows:Lift the Homage Puzzle so you can see the underneath. Tilt so that the visible rods slide one way
and then the other. Soon one will be retained in the “out” position; then tilt the puzzle so that the
other visible rod slides into the “out” position. Carefully rotate the puzzle 180° about the horizontal
axis of the rods you can see, being careful not to allow them to slide back to the “in” position. Still
looking at the underneath, you can now see the rods that were previously on the top. Hold both
parts of the puzzle (in case they separate unexpectedly) and tilt the visible rods in the same way
to put them both in the “out” position. Place the puzzle on the table (to prevent dropping it) and
carefully separate the two parts of the puzzle. They should slide apart easily: no force is
necessary.
There is no need to spin the Homage Puzzle - indeed spinning will cause the rods to move
inwards and lock the puzzle.
Reassembly
Hold the two halves upside down and tilt as described above to separate the rods and then fit
then together.
THE HOMAGE PUZZLE IS DELICATE SO PLEASE DO NOT PULL OR TWIST THE RODS.
IMAGE
Copyright © 2010
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Japanese Sweets Box
Puzzle Goal:
Open the hidden drawer.
Materials:
walnut, shiuri cherry, wenge, cloth
Classification:
Take-apart
Copyright © 2010
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Japanese Sweets Box
Puzzle Solution:
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Kepler Cube
Puzzle Goal:
Scramble first, restore all faces, like Rubik's Cube.
Materials:
ABS resin, POM
Classification:
Sequential movement
Notes:
Kepler Cube is a puzzle that the puzzle includes the puzzle.
History:
Outside puzzle (OP) is the Void Cube. The inside puzzle (IP) is the apex turning octahedron. OP and IP
are connected only by three places (marked by the stars). OP and IP rotate together when the star mark
is included in the rotation face. When the star mark is not included, OP and IP rotate separately.
Copyright © 2010
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Kepler Cube
Puzzle Solution:
Solving is similar to the Rubik's Cube.
Copyright © 2010
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Latch Cube
Puzzle Goal:
Scramble first, restore all faces, like Rubik's Cube.
Materials:
ABS resin
Classification:
Sequential movement
Notes:
Edge parts rotate only in the direction of the arrow. White arrows are clockwise and black arrows are
counterclockwise. You cannot turn a face with both a white and black arrow.
Copyright © 2010
31
Latch Cube
Puzzle Solution:
Solving is similar to the Rubik's Cube.
Copyright © 2010
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Lighthouse Puzzlebox
Puzzle Goal:
Discover the two hidden chambers.
Materials:
Maple, purpleheart, leopardwood, walnut and padauk
Classification:
Sequential discovery/movement
Copyright © 2010
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Lighthouse Puzzlebox
Puzzle Solution:
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Magnesphere
Puzzle Goal:
Rotate the magnetic pieces so that the three identical images are arranged as shown. For a
memory challenge, use all eight pieces and memorize the starting configuration before solving.
Materials:
Magnets and ABS plastic
Classification:
3D sequential movement
Notes:
The mechanism is an improvement of the original Nichols' Cube.
Copyright © 2010
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Magnesphere
Puzzle Solution:
Each item can be moved, but you should remember the movement that you did previously.
Phase 1: Find the three chosen symbols.
Phase 2: Remember where they are.
Phase 3: Determine the shortest way to put them together.
Copyright © 2010
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Minotaur's Burr
Puzzle Goal:
Take the burr apart and then re-assemble.
Materials:
Western Australian jarrah, aluminum, polycarbonate
Classification:
3D interlocking burr
Copyright © 2010
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Minotaur's Burr
Puzzle Solution:
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MMMDXLVI
Puzzle Goal:
By moving certain sections of the puzzle in the proper sequence, a piece can then be removed to
reveal the hidden chamber inside.
Materials:
Various hardwoods and brass inlay
Classification:
Sequential movement puzzle box
Copyright © 2010
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MMMDXLVI
Puzzle Solution:
Copyright © 2010
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New Secret Box II-2
Puzzle Goal:
Remove one panel to find secret compartment.
Materials:
Karin, magnolia, keyaki (zelkova)
Classification:
Take-apart
Copyright © 2010
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New Secret Box II-2
Puzzle Solution:
As expected, all six plates can be moved. Additionally, all six bars on each plate can be moved
too.
Copyright © 2010
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Nicolas et Fridolin
Puzzle Goal:
Disassemble the burr out of the frame. Assemble the burr into the frame so that all the little white
cubes are hidden.
Materials:
Maple for the frame; dark oak and maple for the pieces
Classification:
3.4 Interlocking / INT-CART
Copyright © 2010
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Nicolas et Fridolin
Puzzle Solution:
Copyright © 2010
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Ninja's Tool Box
Puzzle Goal:
Open the box.
Materials:
Lauan, magnet, acrylic
Classification:
Take-apart
Copyright © 2010
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Ninja's Tool Box
Puzzle Solution:
Copyright © 2010
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Not So Easy
Puzzle Goal:
Put 8 pieces into a 4×2 rectangle.
Materials:
ABS
Classification:
Put-together
Copyright © 2010
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Not So Easy
Puzzle Solution:
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40
One Four All & All Four One
Puzzle Goal:
To place all four cubes inside the rhombus frame in such a way that the entire structure (frame
and cubes) are interlocked (i.e. there are no loose parts).
Materials:
Different color types of timber wood
Classification:
Interlocking
Copyright © 2010
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One Four All & All Four One
Puzzle Solution:
The real challenge is finding a trick (there are several!) to put the cubes inside the frame. They
need to be entered inside the frame all together, hence the name of the puzzle.
Copyright © 2010

21 Curvy Copter

Transcription

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