Believe it or not, this image was not created with inkscape but by the following bash script which I wrote. #!/bin/sh echo "<?xml version=\"1.0\" standalone=\"no\"?>" echo "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"" echo "\"www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">" echo "<svg width=\"720\" height=\"720\" version=\"1.1\"" echo "xmlns=\"www.w3.org/2000/svg\">" #define colors pal[0]=#000000 pal[1]=#FFFFFF ((r=360)) ((fill=0)) while (( r > 0 )) do echo "<circle cx=\"360\" cy=\"360\" r=\"$r\" fill=\"${pal[$fill]}\"/>" ((r=r-5)) ((fill=($fill+1)%2)) done echo "</svg>" exit <br/>72圈目標黑白色<br/>72、black、circle、Jewelry Pattern、target、white<br/>72、黑色、圈、珠寶圖案、目標、白色<br/>資料來源：openclipart ( https://openclipart.org/ )