Foam Cutter Moves Like A Hot Knife Through Butter

Clara D. Flaherty

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Make plenty of makes an attempt to slash foam making use of whatever you’ve bought — utility knife, hacksaw, serrated plastic knife — and you are going to wish really hard for anything that cuts cleaner, speedier, and greater. Though there are all kinds of strategies to develop a warm wire foam cutter, this style and design from [jasonwinfieldnz] is equally attention-grabbing and imitable.

If you don’t presently know it, nichrome wire is nifty things that is conveniently available in thrift store hair dryers and toasters. It stretches as it heats up, and shrinks as it cools back down.

The fascinating aspect of this create is that in its place of utilizing a spring to maintain stress on the nichrome wire, [jasonwinfieldnz] developed and 3D-printed a bow out of PLA that does the position elegantly. While [jason] was originally anxious that the bow may possibly potentially soften, he discovered in observe that whilst the bow does get heat to the touch, it is nowhere in close proximity to sizzling adequate to even warp.

One wonderful touch is the straightforward fence that rides along two slots and secures with wingnuts. We also like that [jason] manufactured this foam cutter largely from scrap substance, and fairly than buy a spool of nichrome, he opted for a skinny heating element and pillaging the wire.

If you’re a nichrome noob, know that it doesn’t acquire considerably juice to do the position. Even though a computer system energy source is what [jason] had lying all-around, it is entire overkill, so you would unquestionably want to restrict the recent. Verify out the develop video after the split.

Still not transportable ample for you? All you actually have to have is a 18650, some nichrome, and a number of bits and bobs to keep it all alongside one another.

https://www.youtube.com/check out?v=Q5-bY5e8Mso

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