Hi No no you totally misunderstand me. I meant to convert the PSUfan CAD object to Icepak fan!!! Or the leftfan and right fan CAD objects (green ) to icepak. U coverted a hole and motor to fan which is not the issue and the problem! Please try to convert ONLY these 2 fan named CAD object to icepak Fan object!!!!! if you want we can do a team call let me know