Shiva Purana
कृत्वा पूर्वोदितं सर्वं विना वा मंडपादिकम् ॥ मंडलं पूर्ववत्कृत्वा स्थंडिलं च विभावसोः ॥ १७ ॥
After performing all the prescribed rituals without or without the footprints of the pavilion Make the circle as before and place the sthaṇḍila for the fire.
english translation
kRtvA pUrvoditaM sarvaM vinA vA maMDapAdikam ॥ maMDalaM pUrvavatkRtvA sthaMDilaM ca vibhAvasoH ॥ 17 ॥
hk transliteration by Sanscript