This is DA OTF knife made only with a pen spring.
* DA OTF - Double action out the front
which means, blade of the knife can be opened and retracted with single switch.
it is a form of automatic knife which is illegal for civilians to carry around, so
!Here is warning;
Please, Do NOT carry this around if you happened to make this. Also, I highly recommend not to modify the blade; it is purposely designed round so it cannot harm anyone.
***
That being said,
*Printing tips & instruction
1. This one is printed in ABS, I am not sure how it will work with other materials.
2. I recommend you to use "brim" around parts, to prevent warping.
3. "Support structure" are not necessary.
4. After print, make sure you sand interlocking parts, so they can move freely, especially blade.
Leave me comments if you have questions.
Happy printing~
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Pen spring double action OTF knife
Creative Commons Attribution-NonCommercial-ShareAlike
You can distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, with attribution and under the same license.
Licensed under CC BY-NC-SA
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