וּבַמְּנֹרָ֖ה אַרְבָּעָ֣ה גְבִעִ֑ים מְשֻׁקָּדִ֔ים כַּפְתֹּרֶ֖יהָ וּפְרָחֶֽיהָ׃
燈臺本身要有四個刻有紋飾的杯，還有它的球和花。
Mishneh Torah, The Chosen Temple
The Menorah's shape is described explicitly in the Torah, and there were four cups, two knobs, and two flowers on the stem as it says "and on the Menorah there were four cups, decorated with its knobs and its flowers." There was a third flower near the leg as it says "from its leg to its flower."