I would NOT use unit of measure at all

Your issue is to cut up a sheet into 50 pieces

set up the assembly item, list the inventory item for the sheet, in QTY enter 0.02

when you use build assemblies, for each sheet you cut up, you MUST build a qty of […]

Resolution for 'Build Assmeblies issue: 'Using Build Assmeblies' available: Yes.

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