The Sawmill package can be used to modify the Immersive Intelligence Sawmill recipes.

ZenScript
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import mods.immersiveintelligence.Sawmill;

Type	Name	Required
Type IIngredient	Name Input	Required Yes
Type IIngredient	Name Output	Required Yes
Type IItemStack	Name Secondary Output	Required Yes
Type int	Name Torque	Required Yes
Type int	Name Time	Required Yes
Type int	Name Saw Hardness	Required Yes
Type int	Name Dust Color	Required Yes

DustColor is a color provided in RGB int format. To get it, pick a color (RGB) in hex and convert the number to decimal.
Saw Hardness determines which saws can be used in the recipe.

Material	Hardness
Material Iron	Hardness 2
Material Steel	Hardness 3
Material Tungsten	Hardness 4

ZenScript
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mods.immersiveintelligence.Sawmill.addRecipe(IIngredient itemInput, IItemStack itemOutput, IItemStack secondaryItemOutput, int torque, int time, int hardness, int dustColor);

ZenScript
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mods.immersiveintelligence.Sawmill.addRecipe(<ore:oreGold>,<minecraft:diamond>,<minecraft:diamond>,10,20,1,0);

Type	Name	Required
Type IItemStack	Name Output	Required Yes

ZenScript
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mods.immersiveintelligence.Sawmill.removeRecipe(IItemStack output);

ZenScript
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mods.immersiveintelligence.Sawmill.removeRecipe(<minecraft:diamond>);