У вашего броузера проблема в совместимости с HTML5
If you are one of the people owning a scrollsaw you might know this problem. It just doesn't cut straight. Well at least most of the time. In this video I build a sled to make cutting not only much easier but also give you the opportunity to make your cuts square. Or at least squarish. You know what I mean.
So in the end the improvement is huge, anyways this saw is still not perfect. But this might save you some serious time.
Total project cost: 3$
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