ply format binary_little_endian 1.0 element vertex 14 property float x property float y property float z property float nx property float ny property float nz element face 6 property list uchar int vertex_indices end_header RFbEXEP>#c?g(F{bE3KEP>#c?g(FùbEfEP>#c?g(\FcE=*EP#cg(>=F)cER EL )c>F=cE3EP#cg(>F=cE3Ea*c>RFbEXEa>*c?3FcEqEP#cg(>3FcEqE8'c%>F{bE3KE8>'c?%\FcE=*EL )c>FùbEfEL> )c?FbE\EL> )c?