Dual Frequency Surfaces
PIXEL METHOD
Surfaces have figures of various spacing.
Matte finish texture files are easily generated by adding noise to a 50% gray pixel file, then re-rastering at a higher resolution.
By using two different base dpi numbers, re-rastered to the same higher resolution, then blending these files together, you can create a dual-frequency texture.
96 dpi noise re-rastered to 1270 dpi
96 dpi and 273 dpi re-rastered to 1270 dpi
The high and low frequency files, each at 1270 dpi, are re-leveled to 50% then combined to create a dual frequency surface