Use these royalty-free objects from DOSCH 3D: Medical - Bacterias
for medical illustrations, animations and visualization. The completely textured 3D-models are provided in
multiple file formats: 3DS, 3dsmax (version 8 and above) Lightwave (version 6 and above), OBJ
(version 4 and
above), Softimage XSI, VRML
and Cinema 4D
(version 8 and above).