Valmiki Ramayana 7.5.22

विश्वकर्मा ततस्तेषां राक्षसानां महाभुजः ।निवासं कथयामास शक्रस्येवामरावतीम्॥

viśvakarmā tatasteṣāṃ rākṣasānāṃ mahābhujaḥ |nivāsaṃ kathayāmāsa śakrasyevāmarāvatīm ||

Our plain-language meaning of this verse is waiting for scholar review.