frame, mathematics, algebra
background, mathematical symbols, information
render, fractal, menger
millimeters, metric, measure
doodles, formula, math
grid, render, architecture
liquid, molten, hot
approximation, backdrop, background
fractal, math, geometry
backdrop, fractal, math
fractal, ring, math
circle, circulus, circular path
sphere, 3d, geometry
fractal, julia set, design
back to school, education, learning
pencil, checkmark, school supplies