Invalid open/Acad 13
28-May-95 13:23:55
Sb: #172089-Invalid open/Acad 13
Fm: Phillip L. Miller 74710,3061
To: Gilbert B. Hammer 72147,2143
>>When attempting to open them in 3Ds3 shaper and editor, …
You're using Release ?
R13 changed the DXF format significantly and earlier Releases of 3D
Studio can not read them. You either need R4C1 or you can download
the PATCH3DS.EXE (not sure on the download name) to patch R3 or
higher versions to understand the R13 format.