Mishkat al-Masabih 22 Clothing كتاب اللباس 182

وَعَنْهَا عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «أَشَدُّ النَّاسِ عَذَابًا يَوْمَ الْقِيَامَةِ الَّذِينَ يُضَاهُونَ بِخلق الله»

She reported the Prophet as saying, “Those who will receive the severest punishment on the day of resurrection will be they who imitate what God has created.” (Bukhari and Muslim.)