Working vertical lines down from top pattern.
Wrapping round the vertical lines.
Finish wrapping - mark out horizontal lines.
Work horizontal lines through (lower half).
Same this side - get rid of un-necessary bulk quickly.
Upper half gets some attention.
Start to put some flow into the shape.
Here there is a short lapse in my records - many apologies. I now have a digital camera so I hope such breaks will not occur on future work.
This corner was difficult - there was nothing that could be measured
- all by eye
Now bringing the flow from the large into the small spiral of the shell.
Now the inner spiral shape starts to appear.
done - see finished pics in the Gallery