Hi @nicola.kolev,
Thanks for contacting the Autodesk Community Forum. I am sorry for the inconvenience faced by you while submitting the support case.
Sorry there was typo in last links.. Please ignore the last links ans can retry with followings links for submitting the support case?
You can log Technical Support Support case from your Autodesk Account. Please refer the following link for further step by step guidelines for logging a support case-
Submitting & Viewing Support Requests
Please raise a Support case and attach the model data. If data size exceeds 10 Mb then please you use the your A360 drive for sharing the data -
A360 :- Sign up
A360 :- Sign-in
You can also any other third party (e.g. box.com, dropbox.com)data uploading utility if any using and share the link to download data at our end.
You can raise a technical support case from Autodesk Knowledge Network as well. Please refer to this screencast.
You can also contact to you nearest re-seller and forward the model data to them. They can also raise a case on behalf of you.
Please fell free to contact us if you need any help for raising a support case.
If you have still issue, please feel free to contact us me on Skype:
Skype: j.s.chaudhari
If you still face any issue with while submitting the case please send a private massage to me (just type - jitendra.chaudhari in 'send-to' taband you can see my contact in drop-down) from forum and supply the data (using ant third party data services that you are currently using)and our Autodesk Contact details- CSN and email ID, so that I can raise a support case on behalf of you for your query in PowerShape drafting.
Thank you for your time and co-operation.
Jitendra Chaudhari.