The file 'Circular Periodic Table 3D Printer Model' is (stl) file type, size is 1.4MB.
The periodic table presented in circularized form. In this representation the lanthanide series and actinide series are accurately located within the table, and larger atoms are represented as increasingly further away from the center.
Also available through Shapeways: http://shpws.me/NeOf
Circular_Periodic_Table_86mm-fixed.stl | 3.1MB |