Outline of the method and vocabulary 7

On strip cutting 8

Bias facts 9

What is a tip angle? 9

Tip angle construction 10

Scooting offset 11

Efficient mass marking of scooting offsets 12

A note on precision in scooting and sewing 12

Finishing pre-tubes: pressing and trimming 13

Converting a pre-tube into a tube 14

On the pressing of tubes 15

Cutting the primary wide tube into primary narrow tubes 15

Optional clipping of seam allowances 17

Some quick projects with primary narrow tubes 18

Tubes at the sewing machine 21

Overall designs from narrow tubes to wide tubes 22

Seam shift 23

Edge shift 24

Mass marking of edge shifts on pieced tubes and pieced strips 26

Mass marking of edge shifts on non-pieced strips 27

Another method for mass marking 29

Converting a wide tube into one or more flat pieces 31

Quick projects from joining two narrow tubes 34

The making of the next family of narrow tubes 36

Summary of the tube piecing process 38

Measuring lengths 40

Angles 41

On tubes and rows 42

Organization of pieces 44

Seaming 45

Unusual seam allowances 47

Pressing 48

Doubling the strip set width (or tripling, or ...) 50

The multi-tape method 52

Strip extensions 56

Chart for keeping track of projects 58

On formulas and adjusting them 59

Calculating 60

A very brief trigonometry refresher 60

Drawing your design, calculating 62

Circumference of primary tubes 63

How many primary narrow tubes in a primary wide tube 64

Number of batches of primary wide tubes 64

Fabric requirements 64

Relation between seam and edge shifts 65

Four-patch with enhanced strip piecing and with tube piecing 11

Nine-patch with enhanced strip piecing 22

Nine-patch with tube piecing 29

A possibility with nine-patch design with tube piecing 36

Rail fence 38

Zigzag (modified rail fence) 43

Courthouse steps 49

Bento boxes, or courthouse steps II 60

Log cabin 63

Log cabin in scrappy look 75

Log cabin look 85

Courthouse spiral with enhanced strip piecing 89

Twenty-five-patch and double Irish chain blocks 97

Woven squares with strip piecing 103

Strip-pieced rows of squares in parallel squares 106

Argyle pattern with strip piecing 109

All-over diamonds in blue 16

Diamonds in pink and purple 18

A run through many examples, with many modifications 20

Zigzag 34

Hearts and flower buds 40

Tumbling blocks 45

Japanese puzzle 52

Rows of half parallelograms, i.e., rows of triangles 60

Blue diamond border 61

Parallelograms in rows 63

Rows of parallelograms 69

Framed diamonds: all-over and in rows 72

Diamond in a rectangle block 80

Grandmother's pride: Three by three diamonds in a square 88

Two by three diamonds in a parallelogram 97

One by r diamond rows in slanted parallelograms 98

Two by five diamonds in a square 102

Two by four diamonds in a rectangle 106

Chimney sweep 108

Seamless double hourglass block 115

Seamless double hourglass block: different method 117

Seamless triple hourglass block 120

Rows of four-patch blocks on point 123

Four-patch block on point in a square 125

All-over four-patch blocks on point 131

Indiana puzzle, snail's trail 135

Milky way 138

Rows of squares in squares 142

Rows of squares in diamonds 147

Slants of rows in an all-over parallelogram design 161

On cutting across secondary wide tubes, and slants 162

Final dimensions of a parallelogram quilt top 165

Choosing the cutting angle \theta across the (secondary) wide tube 166

Cutting angle with specified numbers of wraps 168

More on the trimming down of a parallelogram design 168

Parallelogram construction numbers 169

Symmetric parallelogram construction numbers 172

Parallelogram design with exceptional strip widths: outline 173

Exceptional addition for no vertex gobbling along two sides 176

Instructions for no vertex gobbling along two sides 178

Sewing instructions for no vertex gobbling 181

Exceptional strip width additions for no vertex gobbling 183

Exceptional edge shifts for no vertex gobbling 187

Parallelogram design with no vertex gobbling: drawing 188

Slits and cuts for parallelograms with no vertex gobbling 193

Parallelogram design: edge triangles of different colors 195

Parallelogram design: edge triangles of same color 197

Derivation of the second exceptional parallelogram addition E_2 200

Derivation of the third exceptional parallelogram addition E_3 202

Core steps in the construction of rows and of tubes of triangles 18

Construction of tubes of triangles 20

On using tubes of triangles 21

All-over triangles in orange and turquoise 24

Rows of brown triangles from fat quarters 28

Ralli triangles 30

Other color schemes and angle combinations 33

Thousand pyramids with different angles 35

Cupid's darts (or groves of trees) 42

Hexagons in sixths 46

Hexagons in halves, and something else 50

All-over triangles in diamond and zigzag shapes 54

Flights of flying geese 63

Sarah's choice and the evening star blocks 77

Non-symmetric flying geese 85

Construction of rows with an even number of triangles 87

Generalities about rows of half-square triangles 88

Half-square triangles in blocks 90

Half-square triangles in long rows 100

Half-square triangles: all-over design 105

Cut glass dish quilt 107

Lady of the lake 109

Ohio stars 112

Maple leaf blocks 122

Bear's paw 127

Pinwheels (in halves) 130

Pinwheels in rows 133

Double pinwheels 142

Diagonal flight 152

Paired peaks 158

Vertical stars 160

Blue triangle border 165

Ocean waves 168

Roman stripes 174

Rows of triangles 184

How one triangle is formed 191

Rows of triangles with different angles 193

Pressing for triangle design 193

On the two types of triangle constructions 194

Triangle construction numbers 195

Making more rows, more triangles per row 198

Making fewer but longer rows of triangles (multi-tape sewing) 198

Justification of angled flying geese formulas 200

Hourglass block overview 12

Rows of hourglass blocks I 12

Hourglass blocks: alternate color scheme 20

Modification of the hourglass row construction 26

Rows of further-triangled hourglass blocks 27

Rows of hourglass blocks and rows of squares 33

Squares of three half-square triangles (or quarters of double pinwheels) 37

Double pinwheels (constructed in halves) 40

Hearts 45

LeMoyne stars with co-stars 50

Intertwined paired peaks 56

Rows of square web blocks on point 61

Multiplay 67

Kaleidoscope 75

Pieced pyramids, one by one 77

Rows of pieced pyramids, two types 83

Multiplay with rows of slanted pieced pyramids 91

North wind 96

Half-square triangles of four half-square triangles 98

Half-square triangles of nine half-square triangles 100

Half-square triangles of sixteen half-square triangles 102

Ocean waves, revisited 105

Ocean waves, a version with more triangles 106

Vocabulary for rows with odd numbers of triangles 109

Design for rows with odd numbers of triangles 111

Tube piecing

Book: current table of contents

by Irena Swanson