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In this video I demonstrate a simple method of sizing precise lengths of Aluminum Profile based on a master length, using a set-square and a clamp, after roughly cutting the candidate pieces with a cut-off saw then squaring the ends with a disc sander. Instead of comparing the candidate length with a ruler I rely on using my finger to feel how flush the part is compared to the master.
This method also works with other materials e.g. wood.
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