Konci Kopper

The Copper Age drop has greatly expanded the copper family, and I want to take this opportunity to subjectively improve some of its members.

Changes:
- Copper Lanterns have been given a new and distinct frame shape.
- Copper Bars now have a new pattern that's unique and symmetrical, but still tiles with Iron Bars. Both bars also have a new model, mixing 2D and 3D elements.
- Minor tweaks to Copper Chains, Copper Blocks, and Cut Copper to give them clearer definition and rust.
- Copper Bulbs have a slightly warmer hue to their light, and no longer have misaligned bolts in the corners.
- Copper Golems are touched up slightly to look shinier.
- Chiseled Copper now has a gear pattern.