The Pyramids of Egypt symbolized the idea that they pulled all the spiritual powers from above down to below, for their own desires. While the Magen David symbolizes the idea of how we give all to Has

Interestingly, Purim follows Chanukah and symbolizes the gmar hatikkun when we will get all the good Hashem wants to give us, from up to down. Hence the shape of the Haman Tash. But initially, this shape belonged to Haman, that is why it is called Haman Tash. Only after venahafoch hu, did the very shape--kavana--that Haman wished to use to bring everything down to himself, became ora vesimcha to the Jews. But Purim must follow Chanukah, because first must come the messiras nefesh of giving it all away (hence the fast before Purim), and only then can the shefa come from above to below.

ואולי זה גם סוד שמע ישראל - שהוא יחוד ממטה למעלה, וברוך שם, שהוא יחוד ממעלה למטה.

ועוד יש לומר שסוד המשולש הוא כתר למעלה, וחכמה ובינה למטה מימין ומשמאל. והמשולש ההפוך הוא חסד מימין, גבורה משמאל ות"ת למטה באמצע.