A triangle shaped neon light in a dark room

scifi, metal monument, optical illusion, ((penrose triangle))

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (nsfw:1.5), (furry:1.2), (loli, child, underage:1.2), (cartoon:0.8), (big breasts, nipples, sexy, cleavage, hentai, revealing outfit, bare shoulders:1.5), completely nude, (symmetrical:1.5), white skin, horror artist name, logo, watermark, signature, username, (boring background:1.2), lowres, blend, low contrast, monochrome, greyscale, overexposure, over saturated, jpeg artifacts, error, cropped, split, sketch, (blurry:1.4), (tail, tails, accessory, accessories:1.5)