Halloween crochet spider web

Materials:

Remains of cotton thread No. 8/6, aluminum crochet needle No. 3 1/2, steel needle No. 1.

Measurements:400 mm diameter.

Stitches:

Chain Stitch, Slip Stitch, treble crochet, double treble crochet, triple treble crochet

Realization:

Make a ring with 4 ch closed with 1 s.t. stung on 1°ch.

1°r: 8 ch and *inside ring 1 t.r, 4 ch* rep. from * to * 4 times and finish the r. with 1 s.t. stung on 4° ch counting from the bottom

2°r: 11 ch and *1 t.r. stung on t.r., 7 ch* rep. from * to * across all the r. and finish it with 1 s.t. stung on 4° ch counting from the bottom

3°r: 14 ch and *1 t.r. stung on t.r., 10 ch* rep. from * to * across all the r. and finish it with 1 s.t. stung on 4° Ch. counting from the bottom.

4°r: 18 ch and *1 t.r. stung on t.r., 14 ch* rep. from * to * across all the r. and finish it with 1 s.t. stung on 4° Ch. counting from the bottom.

5°r: 23 ch and *1 t.r. stung on t.r., 19 ch* rep. from * to * across all the r. and finish it with 1 s.t. stung on 4° Ch. counting from the bottom.

6°r: 32 ch and *1 d.t.r. stung on t.r., 27 ch* rep. from * to * across all the r. and finish it with 1 s.t. stung on 5° Ch. counting from the bottom.

7°r: 42 ch and *1 t.t.r. stung on d.t.r., 36 ch* rep. from * to * across all the r. and finish it with 1 s.t. stung on 6° Ch. counting from the bottom.

References:
mm: millimeters
Ch: chain stitch
Rep.: repeat
R: row
s.t: slip stitch
t.r: treble crochet
d.t.r: double treble crochet
t.t.r: triple treble crochet

Video tutorial spider web