Soil, bark, grass and the sky: Poly Haven, CC0.
Apple leaf surface: adapted from a photograph by Jamain, CC BY-SA 3.0. The adapted colour, relief and roughness textures are shared under the same licence.
Corn leaf surface: adapted from a photograph by Cbaile19, CC0.
Apple skin: generated. Plant shapes are estimated; materials are illustrative, not calibrated measurements.
Three.js © the Three.js authors, MIT.
Texture sources · Leaf photographs · Apple skin · Back to the simulator