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I do it again  and save      but  it wasstill 1.79mb .
  maybe I should delete all  and  than  reupload the picture   3d flies  and  description. 
I upload my 3d files but I forgot some texures , than I deleted the old 3d files and upload the files with texures.
old files are 1.79mb new 3d files with texures are 2.52mb
but the page of my 3d files show it was still 1.79mb
what should I do ?
I do it again  and save      but  it wasstill 1.79mb .
  maybe I should delete all  and  than  reupload the picture   3d flies  and  description. 
Generally its best to Upload your various mesh files (so that it shows which formats are available) and then also upload a .zip file containing everything. Means that your customers will only have to download one file and there is no room for strange errors like what has happened with you.
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