40d:Magma glass furnace

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Magma glass furnace

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Job Requirement

Glassmaking

Construction
Materials Jobs
Materials Used
Goods Created
This article is about an older version of DF.

Magma glass furnaces are an alternative version of glass furnace that do not require fuel, instead using magma as a reusable heat source. They can only be built once you have discovered a magma pool, magma pipe, or hidden fun stuff.

A magma glass furnace will not function unless at least one of its eight edge squares hang over a channel which has magma at a depth of 4/7 or more. If the magma depth drops to 3/7 or lower, even for an instant, all jobs in the furnace will immediately cancel, including Sand collection (even though it does not require fuel) and any currently active strange mood (which will result in immediate insanity).