The classic Shri Yantra (1800s), with explanatory labels applied

Source: http://search.sothebys.com/browse/viewLot/lotDetail.jsp?LOT_ID=9IV3
(downloaded Oct. 2001)

"Indian Painted Cloth Tantric Diagram with a central lotus within a geometric diagram comprised of contiguous triangles, encircled by two concentric bands of lotus petals. Catalogued by Jeanne de Guardiola dimensions are height by width. Minor staining overall. Slight creasing and flaking overall. Edges trimmed. 19th Century. 23 x 22 1/4 in. (58.4 x 56.5 cm.)."