Each model is different.Sizes are under 6*6*7 cms.L*W*H. You can get it printed from Shapeways.Models created using blender. dae format.If you need any specific model for 3D printer, you can contact us with a sketch or an image and dimension to get the quotation.Or for suggestions and complaints please contact at below given email id.Email id- bendigeriarts@gmail.com