Update Readme for 3dsmax/sketchup
Update Readme for 3dsmax/sketchup

karl-/OD_CopyPasteExternal,karl-/OD_CopyPasteExternal,karl-/OD_CopyPasteExternal,karl-/OD_CopyPasteExternal,heimlich1024/OD_CopyPasteExternal,karl-/OD_CopyPasteExternal,heimlich1024/OD_CopyPasteExternal,heimlich1024/OD_CopyPasteExternal,heimlich1024/OD_CopyPasteExternal,heimlich1024/OD_CopyPasteExternal