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Figure 87 Filet Insertion with Picots (1916): vintage crochet pattern
A twenty-three-row filet insertion on 82 chain in which a diamond of blocks frames a centre filled with rows of small picot loops, worked out to the middle row and then reversed. Originally published as "Figure 87. Filet Insertion" in The Priscilla Crochet Book: Edgings and Insertions, No. 2 (Edited by Belle Robinson) by The Priscilla Publishing Company.
By the crochetpatterns.io editorial team · Updated · Editorial policy · pattern testing in progress

| Detail | Value |
|---|---|
| Skill level | Advanced |
| Yarn weight | Lace (#0) |
| Yardage | the book gives no thread quantity for any design. (as printed; yardage not given) |
| Hook | 0.85 mm |
| Gauge | No gauge printed. Work a sample repeat and match the hook to the thread. |
| Finished size | Not printed — the piece is worked to the length required. |
| Time | about 8 hours |
Materials
- Size 70 crochet thread — approximate modern equivalent of the book's No. 70 crochet cotton
- 0.85 mm steel hook (US steel 13) — approximate for the book's No. 13 hook
- Fine tapestry or sewing needle for the ends
- Hook: Start with 0.85 mm (US steel 13) — approximate for the book's No. 13 hook; change size until the thread runs easily without splitting and the lace lies flat.
Yarn Kit & Substitution Options
This pattern calls for 350 yards of weight #0 yarn. Select a suggested yarn to see required skeins and estimated cost:
Caron Simply Soft · 100% Acrylic
315 yds per skein · High-yield yardage, silky no-scratch texture
2 skeins required
approx. $$10.98 total
Abbreviations (US terms)
- chain
- single crochet
- double crochet
- stitch
- stitches
- skip
- space
- repeat
- row
- loop
Notes before you start
- Source: "Figure 87. Filet Insertion", The Priscilla Crochet Book: Edgings and Insertions, No. 2 (Edited by Belle Robinson), The Priscilla Publishing Company, Boston, 1916. Public domain in the USA.
- As printed — materials: Crochet cotton No. 70 — the book's Materials paragraph says “crochet cotton” means the hard-twisted cotton sold as Cordonnet, Cordonnet Special, Cordichet, Kord-net and similar; Hook No. 13. Gauge: Not given.
- Modernisation note: Stitches converted by the book's own “Explanation of Stitches” (printed page 3), not by name. This book uses the older British-style naming, so its stitch names do NOT match modern US names: chain (ch) = ch; slip stitch (sl) = sl st; “double” (d), “put hook through work, draw thread through work (making two loops on the hook); thread over again and through both loops” = modern US single crochet (sc) — the book itself notes this stitch “has been, especially in wool crochet, called ‘single crochet’”; “half treble” (ht), thread over, through work, “thread over and through all three sts at once” = modern US half double crochet (hdc); “treble” (t), thread over, through work, “thread over and through two loops, thread over and again through two loops” = modern US double crochet (dc); “double treble” (dt), thread over twice and worked off by twos three times = modern US treble crochet (tr); “long treble” (lt) or “triple treble” (tt), thread over three times and crocheted off by twos = modern US double treble (dtr); “quadruple treble” (qt), thread over four times = modern US triple treble (trtr). Every stitch in these instructions has been rewritten in the modern US name and abbreviation on that basis.
- Modernisation note: The book defines its filet terms on printed page 3: a space (sp) is “ch 2, miss 2 sts, t in next”, and “where the number of t is given, as 4 t, 7 t, etc., this t is included”; a block of 4 or block of 3 is “a given number of t, dt, or long t worked without ch between”. Those definitions are carried into the modern text unchanged, so “4 dc” in a filet row means the block of four that shares its first dc with the stitch before it.
- Modernisation note: The book's abbreviations are written in modern US form: d = sc, ht = hdc, t = dc, dt = tr, lt/tt = dtr, st(s) = st(s), sp = sp, p = picot, blk = block, “miss” = sk, “thread over (the hook)” = yo, “repeat” = rep, “needle” (where it is used for the crochet hook) = hook. Ordinal row names (“1st row”, “2d row”) are written Row 1, Row 2, and “1st round”/“2d round” as Rnd 1, Rnd 2. Section headings (Heading, Edge, Lower Edge, Filling) are the book's own where it prints them.
- Modernisation note: The book prints each design as one or two solid paragraphs; these have been split into one row, round or step per line. Stitch order and counts are unchanged. Where the book's own repeat markers (*, **, ***) span several lines they are kept as printed.
- Modernisation note: Thread sizes are the book's own numbering. Its Materials paragraph says that “where the words ‘crochet cotton’ are used in the text of this book, the cotton referred to is the hard-twisted cotton known by such names as Cordonnet, Cordonnet Special, Cordichet, Kord-net, etc.” “No. N crochet cotton” is given below as modern size N crochet thread, which is an approximation: modern size numbering runs the same way (higher number = finer thread) but the exact diameters are not identical. No yardage is printed anywhere in the book, so none is given here.
- Modernisation note: Hook sizes are the book's own steel numbering. The 1916 steel numbering is not identical to the modern one, so every metric size below is approximate and should be adjusted to the thread.
- Modernisation note: No gauge and no finished measurements are printed for this design; work a sample repeat and adjust the hook until the lace lies flat at the width you want.
- Modernisation note: Metric conversions added.
Row progress: 0 of 25 done (0%)
Filet Insertion
0 of 25 done- Ch 82, turn.Mark row complete
- Row 1: Dc in the 8th st from hook (this makes the first space), 5 more sp, 10 dc, ch 5, sk 2, sc in the next, ch 5, sk 2, 10 dc, ch 5, sk 2, sc in the next st, ch 5, sk 2, 10 dc, 6 sp, turning always with ch 5.Mark row complete
- Row 2: 7 sp, 10 dc (the last 3 dc on 3 ch sts), ch 2, 16 dc (3 on the ch, 10 on 10 dc, 3 on the ch), ch 2, 10 dc (3 on the ch, 7 on 7 dc), 7 sp.Mark row complete
- Row 3: 8 sp, 16 dc, ch 5, sk 2 dc, 16 dc, 8 sp.Mark row complete
- Row 4: 9 sp, 10 dc, ch 5, sc in the middle of the ch-5, ch 5, sk 3 dc, 10 dc, 9 sp.Mark row complete
- Row 5: 8 sp, 16 dc, ch 2, 16 dc, 8 sp.Mark row complete
- Row 6: 7 sp, 10 dc, ch 5, sk 2 dc, 16 dc, ch 5, sk 2 dc, 10 dc, 7 sp.Mark row complete
- Row 7: 6 sp, 10 dc, * ch 5, sc under the ch-5, ch 4, sc in the same place * (this will be known as “from * to *”), ch 5, sk 3 dc, 10 dc, ch 5, sc under the ch-5, ch 4, sc in the same place, ch 5, sk 3 dc, 10 dc, 6 sp.Mark row complete
- Row 8: 5 sp, 10 dc, make from * to * twice, ch 5, sk 3 dc, 4 dc, make from * to * twice, ch 5, sk 3 dc, 10 dc, 5 sp.Mark row complete
- Row 9: 4 sp, 10 dc, make from * to * 6 times, ch 5, sk 3 dc, 10 dc, 4 sp.Mark row complete
- Row 10: 3 sp, 10 dc, make from * to * 7 times, ch 5, sk 3 dc, 10 dc, 3 sp.Mark row complete
- Row 11: 2 sp, 10 dc, make from * to * 8 times, ch 5, sk 3 dc, 10 dc, 2 sp.Mark row complete
- Row 12: One sp, 10 dc, make from * to * 9 times, ch 5, sk 3 dc, 10 dc, 1 sp.Mark row complete
- Row 13: 2 sp, 10 dc (7 dc on 7 dc, 3 dc on 3 ch st), make from * to * 8 times, ch 5, 10 dc (3 on the last 3 ch, 7 on 7 dc), 2 sp.Mark row complete
- Row 14: 3 sp, 10 dc, make from * to * 7 times, ch 5, 10 dc, 3 sp.Mark row complete
- Row 15: 4 sp, 10 dc, make from * to * 6 times, ch 5, 10 dc, 4 sp.Mark row complete
- Row 16: 5 sp, 10 dc, make from * to * twice, ch 5, 4 dc under the next 5 ch, make from * to * twice, ch 5, 10 dc, 5 sp.Mark row complete
- Row 17: 6 sp, 10 dc, from * to * once, ch 5, 10 dc (3 dc on the last 3 ch, 4 dc on 4 dc, 3 on the next 3 ch), from * to * once, ch 5, 10 dc, 6 sp.Mark row complete
- Row 18: 7 sp, 10 dc, ch 2, 16 dc (3 on the last 3 ch, 10 dc on 10 dc, 3 on the next 3 ch), ch 2, 10 dc, 7 sp.Mark row complete
- Row 19: Like Row 3.Mark row complete
- Row 20: Like Row 4.Mark row complete
- Row 21: Like Row 5.Mark row complete
- Row 22: Like Row 6.Mark row complete
- Row 23: Like Row 1.Mark row complete
- Rep from Row 2 for the length.Mark row complete
Working on:
Ch 82, turn.
Continue this pattern
The rest of the Figure 87 Filet Insertion with Picots (1916) pattern is in the Vintage Crochet Edgings & Trims
Still to come in the full pattern:
- Finishing
Included with 618 patterns for $9 — $0.01 per pattern.

Errata
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Frequently asked questions
Where is the Figure 87. Filet Insertion pattern from?
It was published as "Figure 87. Filet Insertion" in The Priscilla Crochet Book: Edgings and Insertions, No. 2 (Edited by Belle Robinson) by The Priscilla Publishing Company, Boston in 1916. The publication is in the public domain in the United States; this version is transcribed and modernised by crochetpatterns.io.
What yarn or thread do I need for the Figure 87. Filet Insertion?
Size 70 crochet thread. Not printed — the book gives no thread quantity for any design.
What hook should I use?
Start with 0.85 mm (US steel 13) — approximate for the book's No. 13 hook; change size until the thread runs easily without splitting and the lace lies flat. Gauge: No gauge printed. Work a sample repeat and match the hook to the thread.







