---
title: What is the Tolerance of the Milling Process Used to Make the Cut-Outs in the Foam?
description: Unless otherwise specified on a control drawing, the general tolerance for our milling process is 5% of the overall cutout in the .bord file.
---

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# What is the Tolerance of the Milling Process Used to Make the Cut-Outs in the Foam?

## Unless otherwise specified on a control drawing, the general tolerance for our milling process is 5% of the overall cutout in the .bord file.

We use a CNC router with a vacuum table to mill the foam.  

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