(TXT) circles.txt
 (TXT) cubes.txt
 (TXT) curves.txt
 (TXT) diamonds.txt
 (TXT) dodecahe.txt
 (TXT) drops.txt
 (TXT) hexagons.txt
 (TXT) lines.txt
 (TXT) pentagon.txt
 (TXT) rectangl.txt
 (TXT) spheres.txt
 (TXT) spirals.txt
 (TXT) triangle.txt