Spiders web to make repair patch TG - one sided 

This program draws a spider's web within a frame (that you can switch off). It originated as an idea for patching holes in clothes.

It was revised to be more 'Turtle Geometry' and less 'Cartesian coordinates' by Richard Millwood
22 October 2023

REMIXED AND AMENDED TO DO A '180 degree' web to repair the edge of a curtain