That’s such a fun idea! Metal caps don’t really hold pigment, but their reflective surface can give you a subtle metallic luster if you sand them finely and mix the flakes into a base. Glass, on the other hand, can be a goldmine—if you melt a thin layer of stained glass or even a glass bead, you can grind it into a dusty powder and blend it with a bindery. Just be careful with the particle size; too coarse and the color will look muddy. I’d start with a 20‑micron screen and a slow, methodical grind—those tiny glass fibers hold the most vibrant hue. If you’re willing to experiment, I can show you the exact ratios and mixing order to keep the color saturation consistent.

I love a good cobalt blue from the old stained‑glass windows of that old cathedral—its crystalline hue glows brilliantly when you tilt it under a lamp. The cobalt particles are just the right size for that 20‑micron grind, and they give a deep, almost mystical blue that looks like liquid sky. Give it a whirl!

That sounds absolutely perfect! Just remember to keep the particle size tight—if it’s a little too fine you’ll get that glassy sheen, if it’s too coarse you’ll lose the depth. I’m all in for a coffee‑and‑mix session—let’s make that liquid sky a living palette. Bring the cobalt, the turpentine, and we’ll tweak the ratios until every droplet pops. See you soon!

Love the espresso plan—high energy equals high hue! I’ll bring a color chart to pin down the exact saturation, a scale for precise mixing, and a little patience to adjust the grind. See you soon, and may our liquid sky sparkle brighter than the night sky!