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Filet Insertion for a Curtain (1915): vintage crochet pattern
An eighteen-space filet insertion worked row by row from a chain of thirty-six, with blocks of four and seven double crochet forming a symmetrical figure. Nine rows are given and the pattern is completed by working back to the first row.
By the crochetpatterns.io editorial team · Updated · Editorial policy · pattern testing in progress

| Detail | Value |
|---|---|
| Skill level | Intermediate |
| Yarn weight | Lace (#0) |
| Yardage | Not printed. (as printed; yardage not given) |
| Hook | 1.65 mm |
| Gauge | No gauge or measurement printed. |
| Finished size | Not printed. The insertion is 18 spaces wide, worked from a chain of 36. |
| Time | about 4 hours |
Materials
- A mercerized cotton crochet thread to suit the curtain — no thread is named for this design
- Steel crochet hook (no hook size is printed for this design)
- Sewing needle and thread
- Hook: No hook size is printed for this design. Start with 1.65 mm (US steel 7) and change size so the filet squares are square
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
- double crochet
- stitch
- stitches
- repeat
- row
- space
Notes before you start
- Source: "Filet Insertion for Curtain", Richardson's Crochet Book No. 2 (Complete Crochet Book No. 2), Richardson Silk Company, Chicago and New York, 1915. Public domain in the USA.
- As printed — materials: Not given for this design. Gauge: Not given.
- Modernisation note: From Richardson's Crochet Book No. 2. That book prints only an abbreviation list (ch = chain stitch, s c = single crochet, d c = double crochet, t c = treble crochet, t t c = triple treble crochet, p = picot, la = lacet, gr = group, sp = space, cl = clover leaf) with no worked descriptions, so the stitches are read by the same key its companion Book No. 1 prints in full: s c = sc, d c = dc, t c = tr, t t c = trtr (triple treble). Book No. 2's heights therefore match modern US usage as well.
- Modernisation note: The book's abbreviations are written in modern US form: ch sts = ch, s c = sc, d c = dc, t c = tr, d t c = dtr, sl st = sl st, p = picot, sp(s) = space(s), gr = group (block), la = lacet, cl = clover leaf; “skip” = sk; “repeat *” = rep from *. Ordinal row names are written Row 1, Row 2, and so on.
- Modernisation note: Long printed paragraphs are split into one row, round or step per line; stitch order and counts unchanged. Section headings added for navigation.
- Modernisation note: Hooks are printed only as Richardson steel hook numbers, with no diameters, so no exact metric size can be read from the books. The metric sizes given are approximate starting points read across to the modern US steel-hook scale (in which a higher number is finer); work a swatch and change size to match any printed measurement.
- Modernisation note: No stitch gauge is printed for this design; work a swatch and match any printed measurement (given in the modern gauge line) before starting.
- Modernisation note: Check: the publication year. The book is catalogued as 1915 and is recorded here as 1915, but its own title page carries a 1916 copyright line and the deposit stamp on book page 2 reads April 1916.
- Modernisation note: No thread and no hook size are printed for this design, so both suggestions are ours and are approximate.
- Modernisation note: Check: the rows are given only as counts of spaces and double crochet; the book prints no “turn” or turning chain, so use the usual filet turning chain (ch 5 for a space, ch 3 for a block).
- Modernisation note: Check: the row counts total 18 squares when a block of 4 dc is read as one square and a block of 7 dc as two; compare your work with the photograph as you go.
- Modernisation note: Check: the colour is not printed; the insertion photographs in an ecru or natural thread on linen.
- Modernisation note: Metric conversions added.
Row progress: 0 of 11 done (0%)
Insertion
0 of 11 done- Ch 36.Mark row complete
- Row 1: Make 18 spaces, with a ch of 2 between each.Mark row complete
- Row 2: 4 spaces, 4 dc, 3 spaces, 7 dc, 3 spaces, 4 dc, 4 spaces.Mark row complete
- Row 3: 7 spaces, 4 dc, 2 spaces, 4 dc, 7 spaces.Mark row complete
- Row 4: 4 spaces, 4 dc, 1 space, 4 dc, 4 spaces, 4 dc, 1 space, 4 dc, 4 spaces.Mark row complete
- Row 5: 3 spaces, 7 dc, 1 space, 7 dc, 2 spaces, 7 dc, 1 space, 7 dc, 3 spaces.Mark row complete
- Row 6: 5 spaces, 4 dc, 6 spaces, 4 dc, 5 spaces.Mark row complete
- Row 7: 3 spaces, 7 dc, 1 space, 7 dc, 2 spaces, 7 dc, 1 space, 7 dc, 3 spaces.Mark row complete
- Row 8: 2 spaces, 4 dc, 1 space, 4 dc, 1 space, 4 dc, 4 spaces, 4 dc, 1 space, 4 dc, 1 space, 4 dc, 2 spaces.Mark row complete
- Row 9: 1 space, 4 dc, 6 spaces, 7 dc, 6 spaces, 4 dc, 1 space.Mark row complete
- To complete the pattern, work back to the first row.Mark row complete
Working on:
Ch 36.
Continue this pattern
The rest of the Filet Insertion for a Curtain (1915) 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 Filet Insertion for Curtain pattern from?
It was published as "Filet Insertion for Curtain" in Richardson's Crochet Book No. 2 (Complete Crochet Book No. 2) by Richardson Silk Company, Chicago and New York in 1915. 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 Filet Insertion for Curtain?
Not printed — choose a crochet cotton to suit the curtain. Not printed.
What hook should I use?
No hook size is printed for this design. Start with 1.65 mm (US steel 7) and change size so the filet squares are square Gauge: No gauge or measurement printed.







