Crocheted in dark green cotton.

Begin with 1, then 2, then 3, then 5, then 6, then 7, then 8.........just increase 1 at the end of each row, then work in a spiral.

Mark the end of each row with a different colour yarn.

So the 21st row has 21 stitches (shown by adding yellow); the 34th row has 34 stitches (yellow), the 55th row has 55 stitches (yellow), The 72nd row has 72 stitches (light green colour).

You could go on forever and make a really big vortex.

It is a tradition of mine to do some kind of

__Christmas tree maths on this blog__every year since 2012... in 2014, 2015.

In 2013 there were photos of ---

**angels**. Recently I counted how many angels I now have in my caravan. It is 14- in sculptures, models, paintings, cards and tapestries!

In August and November 2013 there was good work on

__Pythagoras__Fibonacci triangles and the square root of Fibonacci numbers, in cascades, resulting in a brand new value for another kind of

**"**derived from the relationship definition equation having the square root of 5....! =

__Phi__"**1.793 604.**.......

Usually the join goes vertically up, though sometimes it spirals around and up- I don't know why, or which one is right. I only know it is tricky to keep the work exactly right at the very ends of a row.

I bought this lovely Christmas card

and present it here, on this Christmas Dayl

Happy wishes to all, now and forevermore.

My aunt in Austria found this card in a shop in Linz, 20 years ago. She recognised it as a sculpture made by her sister, my mother. "Trudi's Engel 1942".

Truly a spirit of Christmas.

I have earlier published my mother's sculptures on this blog at "Tribute to Trudy" 19/4/2012

Also "A Better Photo" 6/6/2012.

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