Here is the drawing you need to embroider the ribbed spider web.

The ribbed spider web is embroidered with 2 threads.  

The small circle is embroidered in Palestrina stitch with 2 threads and the big one with 3 threads.

I used perle cotton No. 8 to make the Turkish work.

Here is a completed corner.

The borders are embroidered with DMC Color Variations stranded cotton 4130.

The ribbed spider webs are embroidered with House of Embroidery stranded cotton Clematis 63 ( both colours).

The Turkish work is embroidered with House of Embroidery perle cotton n°8 Blue Gum 5 (both lighter colours).  

The outer border is embroidered in Palestrina stitch with 3 threads.

The inner diamond is embroidered in Palestrina stitch with 2 threads

I also stretched the threads necessary to make a rose with ribbon.

The rose is woven with 4mm silk ribbon.

I used perle cotton No. 8 to make the Turkish work.

Here is the completed centre.

The borders are embroidered with DMC Color Variations stranded cotton 4130.

The woven rose is embroidered with 4mm House of Embroidery silk ribbon Berries 20.

The Turkish work is embroidered with House of Embroidery perle cotton n°8 Moss 32 (the darker).