As for this project, I'll only use bitmap objects to scale. (Rarely Vector) Level -3 (Negative Size | -∞ meters to -1 Planck length) Level -2 (Lower-Dimensional Size | 0D to 2D Dimensional) Level -1 (Quantum Size | 0 to 1 yoctometer) Level 0 (Particle Size | 1 yoctometer to 1 attometer) Level 1 (Sub-Atomic Size | 1 attometer to 10 picometers) Level 2 (Atomic Size | 10 picometers to 1 nanometers) Level 2.5 (Nanoscopic Size | 1 nanometers to 650 nanometers) Level 3 (Microscopic Size | 650 nanometers to 850 micrometers)