Heating Hearth
Three rows of stock lying in the flame. A vanilla forge tops out at an ingot; a shingled bar or a slab needs this.
Three rows lie in the flame, and the centre row blocks both flanks going in and coming out, so a full hearth is loaded flanks first and unloaded centre first. Right-click a row with a piece of stock to lay it there, and right-click empty-handed to take it back.
Only Shingled Bar, Shingled Slab and the three cast stock shapes have hearth art and are accepted; a rolled piece has to be cropped before it comes back here to reheat. See Rolling and the forming shop and Heating furnace.

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| any Hammer (tool, not consumed) | ||
| Heavy Cast Plate | Heavy Cast Plate | Heavy Cast Plate |
| Heavy Cast Plate | Heavy Cast Plate | Heavy Cast Plate |
| Heating Hearth | ||
Needs: 6 Heavy Cast Plate, a Hammer (kept); makes 1 Heating Hearth
Amounts are the mod's defaults; the recipe-cost level changes them (see recipe cost levels).