diff --git a/public/starter-materials/patchy_grass_ground_250x250/basecolor.tmp.png b/public/starter-materials/patchy_grass_ground_250x250/basecolor.tmp.png
deleted file mode 100644
index a66ccaa2..00000000
Binary files a/public/starter-materials/patchy_grass_ground_250x250/basecolor.tmp.png and /dev/null differ
diff --git a/public/starter-materials/patchy_grass_ground_250x250/basecolor.webp b/public/starter-materials/patchy_grass_ground_250x250/basecolor.webp
index e69de29b..679d79b9 100644
Binary files a/public/starter-materials/patchy_grass_ground_250x250/basecolor.webp and b/public/starter-materials/patchy_grass_ground_250x250/basecolor.webp differ
diff --git a/public/starter-materials/patchy_grass_ground_250x250/metallic.webp b/public/starter-materials/patchy_grass_ground_250x250/metallic.webp
new file mode 100644
index 00000000..8397fdde
Binary files /dev/null and b/public/starter-materials/patchy_grass_ground_250x250/metallic.webp differ
diff --git a/public/starter-materials/patchy_grass_ground_250x250/normal.tmp.png b/public/starter-materials/patchy_grass_ground_250x250/normal.tmp.png
new file mode 100644
index 00000000..6fbe0b0a
Binary files /dev/null and b/public/starter-materials/patchy_grass_ground_250x250/normal.tmp.png differ
diff --git a/public/starter-materials/patchy_grass_ground_250x250/normal.webp b/public/starter-materials/patchy_grass_ground_250x250/normal.webp
new file mode 100644
index 00000000..e69de29b