>>508137039
Like other Anon said that's a mason compass. It can also be looked at as an eye of providence pyramid capstone.
>>508137220
The two pillars are boaz and jachin. 1 pillar, 1 pillar, combine and that's 1, that's how you get 3 and why they worship the number 3.
>>508137298
It was popularized in Fez, Morocco where Christians have been genocides before. Blood "literally ran through the streets" and Muslims dyed their hats in the blood.
Ignore the nuke stuff in picrel. Freemason Shriners worship Allah.