9", "title": "Floating Dome", "desc": "Hovers, no visible support", "cat": "Domes & Arches"}, {"code": "dome10", "title": "Underground Dome", "desc": "Buried, entrance from above", "cat": "Domes & Arches"}, {"code": "arch1", "title": "Round Arch", "desc": "Perfect semicircle opening", "cat": "Domes & Arches"}, {"code": "arch2", "title": "Pointed Arch", "desc": "Gothic, reaches upward", "cat": "Domes & Arches"}, {"code": "arch3", "title": "Flat Arch", "desc": "Modern, clean lines", "cat": "Domes & Arches"}, {"code": "arch4", "title": "Horseshoe Arch", "desc": "Curves inward, Moorish style", "cat": "Domes & Arches"}, {"code": "arch5", "title": "Triumphal Arch", "desc": "Grand monument to victory", "cat": "Domes & Arches"}, {"code": "arch6", "title": "Natural Arch", "desc": "Wind-carved, organic", "cat": "Domes & Arches"}, {"code": "arch7", "title": "Glowing Arch", "desc": "Portal of light", "cat": "Domes & Arches"}, {"code": "arch8", "title": "Double Arch", "desc": "Two arches intertwined", "cat": "Domes & Arches"}, {"code": "arch9", "title": "Broken Arch", "desc": "Ruined, romantic", "cat": "Domes & Arches"}, {"code": "arch10", "title": "Infinity Arch", "desc": "Loops back on itself", "cat": "Domes & Arches"}, {"code": "mat1", "title": "Granite", "desc": "Speckled gray, incredibly hard", "cat": "Materials"}, {"code": "mat2", "title": "Marble", "desc": "White with veins, elegant", "cat": "Materials"}, {"code": "mat3", "title": "Sandstone", "desc": "Warm, layered, desert-born", "cat": "Materials"}, {"code": "mat4", "title": "Limestone", "desc": "Pale, soft, easy to carve", "cat": "Materials"}, {"code": "mat5", "title": "Obsidian", "desc": "Volcanic glass, black and sharp", "cat": "Materials"}, {"code": "mat6", "title": "Crystal", "desc": "Clear, refracts light beautifully", "cat": "Materials"}, {"code": "mat7", "title": "Gold", "desc": "Precious, shines forever", "cat": "Materials"}, {"code": "mat8", "title": "Copper", "desc": "Warm metal, greens with age", "cat": "Materials"}, {"code": "mat9", "title": "Iron", "desc": "Strong, dark, industrial", "cat": "Materials"}, {"code": "mat10", "title": "Wood", "desc": "Natural, warm, living", "cat": "Materials"}, {"code": "mat11", "title": "Bamboo", "desc": "Light, strong, flexible", "cat": "Materials"}, {"code": "mat12", "title": "Ice", "desc": "Frozen water, blue and clear", "cat": "Materials"}, {"code": "mat13", "title": "Glass", "desc": "Transparent, modern", "cat": "Materials"}, {"code": "mat14", "title": "Carbon Fiber", "desc": "Black weave, ultra-strong", "cat": "Materials"}, {"code": "mat15", "title": "Chrome", "desc": "Mirror finish, futuristic", "cat": "Materials"}, {"code": "mat16", "title": "Glowstone", "desc": "Emits soft light always", "cat": "Materials"}, {"code": "mat17", "title": "Living Moss", "desc": "Green, growing, alive", "cat": "Materials"}, {"code": "mat18", "title": "Coral", "desc": "Ocean-grown, pink and white", "cat": "Materials"}, {"code": "mat19", "title": "Bone", "desc": "Ancient, white, mysterious", "cat": "Materials"}, {"code": "mat20", "title": "Starmetal", "desc": "Fell from the sky, otherworldly", "cat": "Materials"}, {"code": "col1", "title": "Ruby Red", "desc": "Deep red, royal and bold", "cat": "Colors & Finishes"}, {"code": "col2", "title": "Sapphire Blue", "desc": "Ocean blue, calm and deep", "cat": "Colors & Finishes"}, {"code": "col3", "title": "Emerald Green", "desc": "Rich green, alive", "cat": "Colors & Finishes"}, {"code": "col4", "title": "Amethyst Purple", "desc": "Royal purple, mystical", "cat": "Colors & Finishes"}, {"code": "col5", "title": "Topaz Gold", "desc": "Warm gold, precious", "cat": "Colors & Finishes"}, {"code": "col6", "title": "Onyx Black", "desc": "Pure black, absorbs light", "cat": "Colors & Finishes"}, {"code": "col7", "title": "Pearl White", "desc": "Soft white, iridescent", "cat": "Colors & Finishes"}, {"code": "col8", "title": "Copper Glow", "desc": "Warm metallic orange", "cat": "Colors & Finishes"}, {"code": "col9", "title": "Ocean Teal", "desc": "Blue-green, tropical water", "cat": "Colors & Finishes"}, {"code": "col10", "title": "Sunset Orange", "desc": "Warm, vibrant, alive", "cat": "Colors & Finishes"}, {"code": "col11", "title": "Midnight Blue", "desc": "Dark as the night sky", "cat": "Colors & Finishes"}, {"code": "col12", "title": "Forest Green", "desc": "Deep woods green", "cat": "Colors & Finishes"}, {"code": "col13", "title": "Desert Sand", "desc": "Warm tan, natural", "cat": "Colors & Finishes"}, {"code": "col14", "title": "Volcano Red", "desc": "Bright, hot, dangerous", "cat": "Colors & Finishes"}, {"code": "col15", "title": "Glacier Blue", "desc": "Pale ice blue", "cat": "Colors & Finishes"}, {"code": "col16", "title": "Neon Pink", "desc": "Electric, futuristic", "cat": "Colors & Finishes"}, {"code": "col17", "title": "Cyber Cyan", "desc": "Bright sci-fi blue", "cat": "Colors & Finishes"}, {"code": "col18", "title": "Hologram", "desc": "Shimmering, shif