File extension,File format [open|proprietary|unknown],Encoding [text|binary|both|unknown],Category [source|export] 3dm,open,binary,source 3dxml,proprietary,text,export 3KO,proprietary,binary,export 3mf,open,text,export amf,open,text,export asab,open,binary,export asat,open,text,export asm,proprietary,binary,source CATPart,proprietary,binary,source CATProduct,proprietary,binary,source CGR,proprietary,binary,source csg,open,text,export dae,open,text,export dgn,open,binary,source dwg,proprietary,binary,source dxf,open,both,source FCStd,open,both,source html,open,text,export iam,unknown,binary,source iges,open,text,export igs,open,text,export ipt,unknown,binary,source iwb,unknown,text,export iwp,unknown,unknown,export jt,open,binary,export j_t,open,binary,export model,proprietary,unknown,source obj,open,text,export off,open,text,export par,unknown,text,source pdf,open,binary,export ply,unknown,unknown,export pod,unknown,unknown,export prc,open,binary,export prt,proprietary,binary,source psm,unknown,unknown,source sab,open,binary,export sat,open,text,export scad,open,text,source sldasm,proprietary,binary,source sldprt,proprietary,binary,source sms,unknown,binary,export step,open,text,export stl,open,both,export stp,open,text,export svg,open,text,source u3d,unknown,binary,export vda,open,binary,export wrl,unknown,text,export x_t,unknown,text,export xcgm,unknown,unknown,export