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![Back and forth rail mechanism](https://openbuilds.com/data/article_images/l/9/9288.jpg?t=1586916302)
Build Author
Tristen Poliseno
Views
2254
Back and forth rail mechanism
![](https://openbuilds.com/data/article_cat_images/s/0/295.jpg?t=0)
I have the whole description and all the details in the "Body" section!
![Fourth Axis Mill Prototype](https://openbuilds.com/data/article_images/l/6/6730.jpg?t=1519842519)
Build Author
Blyn3D
Views
5329
Fourth Axis Mill Prototype
![](https://openbuilds.com/data/article_cat_images/s/0/297.jpg?t=1376658449)
I really like the 4th axis I purchased a few years back, but when I went looking for it again the suppliers who once carried it no longer do. Anyone know who makes it? Center hole receives collets. I own a ShopSmith so I am using a 5/8th rod and can mount it's chucks onto this machine. Also I like the use of the skateboard wheels, they are adjustable and one could use more sets over a longer axis. The Sherline z-axis is not my first choice, I just had a spare.
![Camera slider with rotation prototype](https://openbuilds.com/data/article_images/l/4/4808.jpg?t=1490778092)
Build Author
3D Meister
Views
4217
Camera slider with rotation prototype
![](https://openbuilds.com/data/article_cat_images/s/0/295.jpg?t=0)
I made a cam slider prototype with adjustable rotation to get experience for my CNC milled slider in planing.
![Triple Shot R-P-M Area 51 CNC Parts](https://openbuilds.com/data/article_images/l/2/2307.jpg?t=1444529606)
Build Author
Hytech2k
Views
32669
Triple Shot R-P-M Area 51 CNC Parts
![](https://openbuilds.com/data/article_cat_images_nondefault/s/0/303.jpg?t=1451692706)
We wanted to create a rapid prototyping machine with excellent 3D printing, laser cutting and engraving, and light CNC router work capabilities.
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