Foam Cutter Moves Like A Hot Knife Through Butter

Maria J. Smith

Make ample attempts to cut foam employing no matter what you’ve received — utility knife, hacksaw, serrated plastic knife — and you’ll desire tricky for something that cuts cleaner, speedier, and far better. Whilst there are all sorts of approaches to build a warm wire foam cutter, this structure from [jasonwinfieldnz] is the two appealing and imitable.

If you don’t now know it, nichrome wire is nifty stuff that is conveniently offered in thrift retail outlet hair dryers and toasters. It stretches as it heats up, and shrinks as it cools back again down.

The attention-grabbing part of this create is that rather of using a spring to keep stress on the nichrome wire, [jasonwinfieldnz] intended and 3D-printed a bow out of PLA that does the task elegantly. While [jason] was initially involved that the bow could possibly potentially soften, he discovered in observe that whilst the bow does get heat to the touch, it’s nowhere near incredibly hot sufficient to even warp.

A person awesome touch is the very simple fence that rides alongside two slots and secures with wingnuts. We also like that [jason] built this foam cutter largely from scrap product, and rather than get a spool of nichrome, he opted for a skinny heating factor and pillaging the wire.

If you are a nichrome noob, know that it doesn’t choose substantially juice to do the job. Even even though a laptop or computer electricity source is what [jason] had lying all over, it is entire overkill, so you would certainly want to limit the current. Test out the make movie just after the break.

Nonetheless not portable adequate for you? All you definitely need to have is a 18650, some nichrome, and a number of bits and bobs to keep it all alongside one another. at?v=Q5-bY5e8Mso

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