Logo explanation is best presented from this passage in Psalms 78:
"True, he struck the rock, and water gushed out, streams flowed abundantly, but can he also give us bread? Can he supply meat for his people?" When the Lord heard them, he was furious; his fire broke out against Jacob, and his wrath rose against Israel, for they did not believe in God or trust in his deliverance.
The first thread is of blood and the following threads are water gushing out of the rock, connecting the Old Testament prophecy fulfillment in the New Testament at the cross when Jesus was opened on his side and gushed out water and blood.
Gush is a free shipped docker container, in order to use it you must have Docker installed on your system. Download and adapt the running script under your own needs:
sudo wget https://raw.githubusercontent.com/gushphp/gush/master/gush.dist -O /usr/local/bin/gush sudo chmod +x /usr/local/bin/gush gush -vvv