Shiva Purana
अर्धं निवेद्य होमार्थं शेषं समुपकल्पयेत् ॥ पुरतः कल्पिते वाथ मंडले वर्णिमंडिते ॥ १४ ॥
After offering half of the offering, one should prepare the rest for the sacrificial fire. Or in a circle arranged in front of you and decorated with varni.
english translation
ardhaM nivedya homArthaM zeSaM samupakalpayet ॥ purataH kalpite vAtha maMDale varNimaMDite ॥ 14 ॥
hk transliteration by Sanscript