Don’s Dynamic Symmetry Calculator
This app will calculate significant locations for drawing the Dynamic Symmetry Grid. You will be able enter then by clicking on buttons a list of the distances to points on the grid will be calculated and displayed. This will enable you to plot lines on canvases from very small sizes to very large sizes.
This is Absolutely FREE ! However, please contribute $10 or $20 so I can keep this web page open.
Try it out, and if you like it, come back and donate. Just click the button below to get a zip file of the app.