mathematics playing: signs * and / are constructed with meccano, with the effect of glossy black steel, slight slope. on

mathematics playing signs are constructed meccano effect glossy black steel slight slope isolated white sign symbol background font design type element color typography silver metallic number write education set toy iron metal make mark maths letter calligraphy typeset style school play designer construction development detail kit closeup fancy tool collection shiny screw bolt construct mechanical nut mathematic shadows front view