# Hsin-Po's Website Postdoc @ UC San Diego

# Modular Oriclip

One of my interests involves building binder clip sculptures. The name oriclip is inspired by origami, which stands for ori “fold” and kami “paper”. Note that binder clips are sometimes called foldover clip or foldback clip.

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(The page is under construction; check back periodically.)

## Special case

### 2-clip constructions

#### 2-ftf ↑ # Clips = 2

#### 2-btb ↑ # Clips = 2

### 6-clip constructions

#### 6-cycle ↑ # Clips = 6
↑ Base = triangular antiprism
↑ Symmetry = triangular antiprism’s rotations = $D_6$ of order 6

#### 6-dense ↑ # Clips = 6
↑ Base = six-piece burr
↑ Symmetry = triangular antiprism’s rotations = $D_6$ of order 6

#### 6-wedge ↑ # Clips = 6
↑ Base = six-piece burr
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12

#### 6-fitin ↑ # Clips = 6
↑ Base = octahedron
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12

#### 6-twist ↑ # Clips = 6
↑ Base = octahedron
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12

#### 6-cross ↑ # Clips = 6
↑ Base = three-piece burr
↑ Symmetry = pyritohedron’s rotations and reflections = $A_4\times C_2$ of order 24

#### 6-spike ↑ # Clips = 6
↑ Base = six-piece burr
↑ Symmetry = pyritohedron’s rotations and reflections = $A_4\times C_2$ of order 24

#### 6-stand ↑ # Clips = 6
↑ Base = octahedron
↑ Symmetry = pyritohedron’s rotations and reflections = $A_4\times C_2$ of order 24

### 12-clip constructions

#### 12-angel ↑ # Clips = 12
↑ Base = octahedron
↑ Symmetry = pyritohedron’s rotations and reflections = $A_4\times C_2$ of order 24

#### Q12-aC ↑ # Clips = 12
↑ Base = cuboctahedron

### S-series

One clip = one vertex. One handle = one edge.

#### S12-aC ↑ # Clips = 12
↑ Base = cuboctahedron
↑ Symmetry = cube’s rotations = $S_4$ of order 24 ↑ # Clips = 30
↑ Base = icosidodecahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

### A-series

One clip = one edge.

#### A12-O ↑ # Clips = 12
↑ Base = octahedron
↑ Symmetry = pyritohedron’s rotations and reflections = $A_4\times C_2$ of order 24

#### A24-aC ↑ # Clips = 24
↑ Base = cuboctahedron
↑ Symmetry = cube’s rotations = $S_4$ of order 24

#### A36-kC ↑ # Clips = 36
↑ Base = tetrakis hexahedron
↑ Symmetry = pyritohedron’s rotations and reflections = $A_4\times C_2$ of order 24

#### A48-aaC ↑ # Clips = 48
↑ Base = rhombicuboctahedron
↑ Symmetry = cube’s rotations = $S_4$ of order 24 ↑ # Clips = 60
↑ Base = icosidodecahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

#### A24-aC8-O ↑ # Clips = 192
↑ Local base = cuboctahedron
↑ Global base = octahedron
↑ Symmetry = cube’s rotations = $S_4$ of order 24

## Vertex unit

### Η-series

Four clips = one Η-vertex = one vertex.

#### Η24-O ↑ # Clips = 24
↑ Base = octahedron
↑ Vertex config = 3.3.3.3
↑ Symmetry = pyritohedron’s rotations and reflections = $A_4\times C_2$ of order 24

#### Η48-jC ↑ # Clips = 48
↑ Base = rhombic dodecahedron
↑ Face config = 3.4.3.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24

#### Η120-lC ↑ # Clips = 120
↑ Base = application of the loft operation upon a cube
↑ Symmetry = cube’s rotations = $S_4$ of order 24

#### Η24-T ↑ # Clips = 24
↑ Base = tetrahedron
↑ Vertex config = 3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12

#### Η48-O ↑ # Clips = 48
↑ Base = octahedron
↑ Vertex config = 3.3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12

### Φ-series

Three clips = one Φ-vertex = one vertex.

#### Φ24-C ↑ # Clips = 24
↑ Base = cube
↑ Vertex config = 4.4.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = Φ24-O

#### Φ24-O

In progress
↑ # Clips = 24
↑ Base = octahedron
↑ Vertex config = 3.3.3.3
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = Φ24-C

#### ΦB60-I ↑ # Clips = 60
↑ Vertex config = 3.3.3.3.3
↑ Base = icosahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

#### ΦJ60-D ↑ # Clips = 60
↑ Vertex config = 5.5.5
↑ Base = dodecahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

### Δ-series

Three clips = one Δ-vertex = one vertex.

#### Δ60-D ↑ # Clips = 60
↑ Vertex config = 5.5.5
↑ Base = dodecahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

#### Δ180-tI ↑ # Clips = 180
↑ Vertex config = 5.6.6
↑ Base = truncated icosahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

## Edge unit

### Y-series

Three clips = one Y-edge = one edge.

#### Y18-T ↑ # Clips = 24
↑ Base = tetrahedron
↑ Vertex config = 3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12

### X-series

Two clips = one X-edge = one edge.

#### X12-T ↑ # Clips = 12
↑ Base = tetrahedron
↑ Vertex config = 3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12
↑ Dual = itself

#### X24-C ↑ # Clips = 24
↑ base = cube
↑ Vertex config = 4.4.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ dual = X24-O

#### X24-O ↑ # Clips = 24
↑ base = octahedron
↑ Vertex config = 3.3.3.3
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ dual = X24-C

#### X60-D ↑ # Clips = 60
↑ Vertex config = 5.5.5
↑ Base = dodecahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ dual = X60-I

#### X60-I ↑ # Clips = 60
↑ Vertex config = 3.3.3.3.3
↑ Base = icosahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ dual = X60-D

#### XX120-D ↑ # Clips = 120
↑ Vertex config = 5.5.5
↑ Base = dodecahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

### L-series

Two clips = one L-edge = one edge.

#### L12-T ↑ # Clips = 12
↑ Base = tetrahedron
↑ Vertex config = 3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12
↑ Dual = itself

#### L24-C ↑ # Clips = 24
↑ Base = cube
↑ Vertex config = 4.4.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = L24-O

#### L24-O ↑ # Clips = 24
↑ Base = octahedron
↑ Vertex config = 3.3.3.3
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = L24-C

#### L60-D ↑ # Clips = 60
↑ Base = dodecahedron
↑ Vertex config = 5.5.5
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = L60-I

#### L60-I ↑ # Clips = 60
↑ Base = icosahedron
↑ Vertex config = 3.3.3.3.3
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = L60-D

#### L36-tT ↑ # Clips = 36
↑ Base = truncated tetrahedron
↑ Vertex config = 3.6.6
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12

#### L48-aC ↑ # Clips = 48
↑ Base = cuboctahedron
↑ Vertex config = 3.4.3.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24

#### L180-tI ↑ # Clips = 180
↑ Base = truncated icosahedron
↑ Vertex config = 5.6.6
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

### I-series, Platonic

Two clips = one I-edge = one edge.

#### I12-T ↑ # Clips = 12
↑ Base = tetrahedron
↑ Vertex config = 3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12
↑ Dual = itself

#### I24-C ↑ # Clips = 24
↑ base = cube
↑ Vertex config = 4.4.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ dual = I24-O

#### I24-O ↑ # Clips = 24
↑ Base = octahedron
↑ Vertex config = 3.3.3.3
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = I24-C

#### I60-D ↑ # Clips = 30
↑ Vertex config = 5.5.5
↑ Base = dodecahedron
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = I60-I

#### I60-I ↑ # Clips = 30
↑ Base = icosahedron
↑ Vertex config = 3.3.3.3.3
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ dual = I60-D

#### II24-T ↑ # Clips = 24
↑ Base = tetrahedron
↑ Vertex config = 3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12
↑ Dual = itself

### I-series, Archimedean

#### I36-tT ↑ # Clips = 36
↑ Base = truncated tetrahedron
↑ Vertex config = 3.6.6
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12
↑ Dual = I36-kT

#### I48-aC ↑ # Clips = 48
↑ Base = cuboctahedron
↑ Vertex config = 3.4.3.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = I48-jC

#### I72-tC ↑ # Clips = 72
↑ Base = truncated cube
↑ Vertex config = 3.8.8
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ (Dual = triakis octahedron)

#### I72-tO ↑ # Clips = 72
↑ Base = truncated octahedron
↑ Vertex config = 4.6.6
↑ Symmetry = cube’s rotations = $S_4$ of order 24
I72-kC

#### I96-aaC ↑ # Clips = 96
↑ Base = rhombicuboctahedron
↑ Vertex config = 3.4.4.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
I96-jjC

#### I120-sC ↑ # Clips = 120
↑ Base = snub cube
↑ Vertex config = 3.3.3.3.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ (Dual = pentagonal icositetrahedron) ↑ # Clips = 120
↑ Base = icosidodecahedron
↑ Vertex config = 3.5.3.5
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = I120-jD

#### I180-tI ↑ # Clips = 180
↑ Base = truncated icosahedron
↑ Vertex config = 5.5.6
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = I180-kD ↑ # Clips = 240
↑ Base = rhombicosidodecahedron
↑ Vertex config = 3.4.5.4
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

#### I300-sD ↑ # Clips = 300
↑ Base = snub dodecahedron
↑ Face config = 3.3.3.3.5
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ (Dual = pentagonal hexecontahedron)

### I-series, Catalan

#### I36-kT ↑ # Clips = 36
↑ Face config = 3.6.6
↑ Base = triakis tetrahedron
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12
↑ Dual = I36-tT

#### I48-jC ↑ # Clips = 48
↑ Base = rhombic dodecahedron
↑ Face config = 3.4.3.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = I48-aC

#### I72-kC ↑ # Clips = 72
↑ Base = tetrakis hexahedron
↑ Face config = 4.6.6
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ Dual = I72-tO

#### I96-jjC ↑ # Clips = 96
↑ Base = deltoidal icositetrahedron
↑ Face config = 3.4.4.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
I96-aaC

#### I120-jD ↑ # Clips = 120
↑ Base = rhombic triacontahedron
↑ Face config = 3.5.3.5
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

#### I180-kD ↑ # Clips = 120
↑ Base = pentakis dodecahedron
↑ Face config = 5.6.6
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = I180-tI

### I-series, Fullerene

#### I240-cD ↑ # Clips = 240
↑ Base = chamfered dodecahedron
↑ Each dodecahedron vertex = 4 new vertices
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = I240-uI

#### I240-uI ↑ # Clips = 240
↑ Base = pentakis icosidodecahedron aka C80
↑ Each icosahedron face = 4 small triangles
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = I240-cD

### W-series

#### W12-T ↑ # Clips = 12
↑ Base = tetrahedron
↑ Vertex config = 3.3.3
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12
↑ Dual = itself

#### W24-C

Difficulty encountered
↑ # Clips = 24
↑ base = cube
↑ Vertex config = 4.4.4
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ dual = W24-O

#### W24-O ↑ # Clips = 24
↑ base = octahedron
↑ Vertex config = 3.3.3.3
↑ Symmetry = cube’s rotations = $S_4$ of order 24
↑ dual = W24-C

#### W60-D ↑ # Clips = 60
↑ Base = dodecahedron
↑ Vertex config = 5.5.5
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = W60-I

#### W60-I ↑ # Clips = 60
↑ Base = icosahedron
↑ Vertex config = 3.3.3.3.3
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60
↑ Dual = W60-D

#### W36-tT ↑ # Clips = 36
↑ Base = truncated tetrahedron
↑ Vertex config = 3.6.6
↑ Symmetry = tetrahedron’s rotations = $A_4$ of order 12 ↑ # Clips = 120
↑ Base = icosidodecahedron
↑ Vertex config = 3.5.3.5
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60

#### W240-cD ↑ # Clips = 240
↑ Base = chamfered dodecahedron
↑ Each dodecahedron vertex = 4 new vertices
↑ Symmetry = dodecahedron’s rotations = $A_5$ of order 60 