Dremel ’s are n’t atrociously expensive , but nothing beat the price of free , since chances are you already have all of this stuff and nonsense laying around in a junk draftsman .
This round-eyed build habituate a small motor , a 9 V battery , a switch , and some blistering glue to spring the bulk of the tool . The cutting wheel is made from a repurposed feeding bottle hood and a pen refill . It ’s keen enough to ignore through softwood , but I would n’t recommend using it on metal unless you like experience Coke cap fragment in your heart .
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