וְאַרְבַּ֣ע כְּתֵפ֔וֹת אֶ֚ל אַרְבַּ֣ע פִּנּ֔וֹת הַמְּכֹנָ֖ה הָֽאֶחָ֑ת מִן־הַמְּכֹנָ֖ה כְּתֵפֶֽיהָ׃
And there were four undersetters at the four corners of each base; the undersetters thereof were of one piece with the base itself.
Read midrashic interpretation of I Kings 7:34: and classical rabbinic exegesis.