simple lines flat logo template of initial letter number 5 6 0 o s inside triangle

font line logo brand text cartoon diagram number circle symbol calligraphy label drawing signage artwork simple lines flat template initial letter inside triangle symbol font design sign letter number abstract business modern creative unique graphic art brand typography alphabet geometric simple concept line logo style corporate idea identity technology digital initial company tech anniversary cool trendy stylish connection futuristic fluid triangle complicated sophisticated celebration network innovation movement 5 6 0 o s