Haven't done it myself yet
but have researched it & there are videos on youtube on how to make your own setup does not seem to be that hard to cut your own
just need to make a jig so arrows come out the same length & cut is straight. I have seen guys do it with a dremel tool with cut off wheel. I don't think that would be your best choice though
check this one out http://youtu.be/NZ9QMUKcSn0
2017 Bow String Depot Prostaff http://www.bowstringdepot.com/
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I have not done it yet, but had read some where that building own arrows are not terribly difficult and also not require a lot of special tools. Even arrows built by our own from carefully selected components and raw shaft will provide us better quality and will be worthy.