The Alternative Repairing mod by slippyguy was recently updated (v1.9) with even more support for TTW. I think it adds more immersion by letting you create Repair parts for weapons and armor, and can also be helpful when you don't have a similar item to repair with.
[collapsed title=Crafting Recipes]

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[collapsed title=Breakdown Recipes]

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Edit: also has support for chucksteel's TTW Interiors Project
