I put my printer in a room where I couldn't easily monitor is so I decided to add a camera to watch it.  One of those cheap $15 cameras comes with just a small camera on a loose ribbon cable so I knew I needed to make a mount for it.  I decided to make one that directly screws into the frame of the Ender S1 Pro.  The head mount is separate I could make different size cradle if I got another camera and so it can swivel and I can angle it properly.  

I made the screw holes to attach the head and body just need an m3 screw.  You can just screw one down all the way to “tap” it and then it will hold together.  Im too lazy to sink in threaded screw mounts but you could do that as well to be stronger.

I have two extra screw holes lower down so I can make a holder for my raspberry pi and have it sit in there.  

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Just unscrew the two bolds on the front corner of the printer and put on the base plate over the holes and screw them back in.