Folding Scalpel V3

Folding Scalpel v3
Ok, so I went back to the drawing board, and studied folding knives to try to get a better working lock.
There are Blade Holders for #3 and #4 scalpel handles
You can get a good assortment of these blades for cheap here:


https://www.amazon.com/gp/product/B078Q2QRDX/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

and Here:

https://www.amazon.com/gp/product/B00OTKSUN6/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

I added a Rocker bar that has a pivot.
- fixed the Scalpel Holder to lock into the Rocker,
- adjusted the fit of the Blade to be tighter and not wiggle.
- made the screw holes a tiny bit smaller to take up slop.
- Also added a Tensioner to the Handle Bottom which turns out to just be decorative because the Rocker Bar flexes enough by itself with PETG.
If you find that your material (PLA) doesn't flex enough, you can cut the Tensioner away from the Handle Bottom body to create a flex point. I used a Hacksaw blade. (see the picture)
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