Wire stripper

by dragon1020, published

Wire stripper by dragon1020 Nov 3, 2016


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43981Views 7906Downloads Found in Hand Tools


Wire stripper. Not very beautiful (this is too big blade for this tool), but works well. All you need is M3 screw, M3 nut, and utility blade.

UPDATE: Made version 2 - stronger and without useless trigger. :) I suggest to use supports while printing for M3 nut hole, but some folks says, that it prints fine without using supports.

HINT: You can strip really thin wires (for example from servo motor or RC flight controller (0.8 mm in diameter with insulation)) with last third of the blade, near ring for finger.

Print Settings

Printer Brand:



Prusa i3




Doesn't Matter


0.2 mm



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Thanks :) I like it too. ;)

Do you think it would work with a single edge razor blade, with a redesign? It would need a different size, different location for the hole, and a recess for the wrap on the handle side of the blade. However, the blades should be more standard in size/

No, razor blade is too fragile for this job. Utility blades more or less standard. But if you want, you may try. :)

How did you make those holes in the blade?

They should already have holes

Thanks, However, it is NOT a drop in use I had to grid one side of the blade just a little.

I am using Stanley brand model 11-921 which you can get via home depot, Walmart, and Lowes. Works with all my box-cutter

Can you give make a model for the Blade you use. Stanley does not have the four holes.

Also perhaps some dimensions of your blade top and bottom width and height for your blade you use?

The Stanley 11-921 is lower blade=61.36mm long, upper strip=43.28mm, and height of the blade height 19mm

Feb 10, 2017 - Modified Feb 10, 2017
dragon1020 - in reply to vlbconsulting

I used 3D model of utility blade when I draw Stripper. Personally I'm using Lux Tools blades, which has 18.8 in height, and 60.5 and 33.5 mm width (and this is like dimensions of the model I have). Try other blades - looks like this Stanley blades isn't really standart.

PS. Number of holes isn't important. :)
PPS. Sorry for my english.
PPPS. Wait a minute. Just saw your "Make one" photo. All is fine. May be I just don't understand what you wish to say. :)) Use simple english, please. :)

Will this fit RJ-45 (ethernet) cable to easily strip the outside cabling?

Look at the third photo. :)

I must be blind. I looked at all the photos before and must have forgot to look up. Thank you.

I like this better then my 20 year old strippers.

Please post photo of your 20 year old stripper!

"20 Year old strippers" (:


amazing. Thank you :)

Not at all! :)
It's very pleasant to get such feedback. :)

Very good tool! Thanks for sharing.

You welcome. Thanks for kind comment. :) If you will post photo in "I made one" section, this will be great. ;)


It didn't really fit the blades I had. I printed it 2% bigger in X and Y. That worked well for me.

You welcome! :)
May be you can upload photo of printed stripper later (see button "I Made One")? This will be cool. :)

I did it! :-)

Thanks for photo! :)

Thanks for sharing! I have a need for this since long.