OpenForge 2.0 Encounter: Fire Shrine

The second in the encounters series, this is a shrine to fire. We have both a cut stone and rough stone versions. The elemental symbol is inspired by the elemental symbols from Avatar: Last Airbender.

In this release we have:

* Walls with the fire rune
* Floors with the fire rune
* Pillars that say "Fire" in runic futhark
* A gothic archway
* An alter to fire that can take walmart led votive candles

To find the diagonal and curved pieces, you can get them in:

* Cut Stone: [diagonal](https://www.thingiverse.com/thing:1450949), [curved](https://www.thingiverse.com/thing:1456837), [straight](https://www.thingiverse.com/thing:1641002)
* Rough Stone: [diagonal](https://www.thingiverse.com/thing:2478671), [curved](https://www.thingiverse.com/thing:2437047), [straight](https://www.thingiverse.com/thing:2275577)

The flames of the alter are made with a hot glue gun, after painting and after insertion of the candle. The alter has a floor piece to sink it into the ground (bec