3D Printed Ratchet Screwdriver

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I created this 3D printed screwdriver because I wanted to make an object, beautiful, simple but also functional. I also wanted that this object is printed in one piece. This is an advantage of 3D printing. The object is more solid if it is made in one piece, and you don't need to assemble it. This screwdriver is not a simple screwdriver, it's a Ratchet Screwdriver. You can screw and unscrew the screws quickly and easily with it. How screw and unscrew with this screwdriver? If you want to screw, put the bit on the top of the screwdriver. If you want to unscrew, put the bit on the bottom of the screwdriver. It's simple and effective. VIDEO:  https://vimeo.com/213850158 To model this object I used Fusion 360. I use this software for a short time, it was a challenge for me to model this screwdriver with its mechanism. Fortunately Fusion 360 is really simple to use, and this software is very intuitive. This is the first time I make such a complex object in Fusion 360, so I may have made some mistakes in the model. If you want to modify this design you can download the Fusion files with these two links: The screwdriver drawing:  http://a360.co/2oUKRnH The screwdriver model:  http://a360.co/2pfNDoq If you like this design you can download it and print it. :) I print this screwdriver with the K8200 printer, and I use Cura to generate the G-code. My Print settings: Bottom/Top thickness 0.5mm  Fill Density 20%  Platform adhesion type: Raft (it's not necessary)  Support type: Don't use support!  Use PLA or ABS. I am 16 years old and I speak french, excuse me if I made errors of English.