Generate box joints SVG is at http://dve2000.pythonanywhere.com/boxjoint
Generate concentric circles SVG is at http://dve2000.pythonanywhere.com/circles
Generate concentric regular polygons SVG is at http://dve2000.pythonanywhere.com/polygons
Generate concentric rectangles SVG is at http://dve2000.pythonanywhere.com/rectangles
Generate through holes or pocket holes SVG (also for MFT style tops) is at http://dve2000.pythonanywhere.com/holes