Buildings textured by material (stone, iron, wood, cloth); the heart in crystal facets

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

art/generated/textures/materials/batch.py

@@ -11,6 +11,7 @@ MATS = {
  "fur": "Thick shaggy animal fur with tufts and strands, in light neutral beige-grey tones.",
  "book": "The spine of one old leather-bound book standing upright, filling the whole image: two raised bands near the top and the bottom, "
          "a gilded frame and a short line of golden title letters in the middle, worn leather, in light neutral tones.",
+ "crystal": "A cut gemstone surface seen close: many sharp triangular and kite-shaped facets with bright edges and darker faces, a few internal glints, in light neutral grey tones.",
  "paper": "An open page of an old spellbook filling the whole image: yellowed parchment with many lines of dark handwritten script, "
           "a small drawn magic circle and a red initial letter, in light neutral tones.",
 }