DSLR Camera 15mm Rails Platform
by anewsome, published
I looked on this site for anything that would work that someone else had already made but I couldn't find anything that worked exactly how I needed it to, so I modeled everything from scratch in OpenSCAD. I'm not an OpenSCAD expert and the code shows it, so I won't be posting the source files. If you want them, just ask and I'll send them to you.
Also keep in mind that I modeled the bottom plate to fit directly into the Bogen tripod quick release plate. This makes the rig much simpler. If you need it to fit your tripod plate, just design a new bottom or put holes in my bottom plate and attach your tripod adapter.
Obviously there is a bit of risk in creating a part like this and putting $5k worth of camera equipment on it. I'm confident that the parts I printed are up to task and I'm not too worried about breaking my camera, but use at your own risk.
Also, the rig pictured is using my 15mm Stepper Motor Rail Mounts too. That part has its own page and you can get the STL for that there.
Lastly, the actual 15mm rods are standard rods. They are not printed. I get mine from Filmtools.
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The lens gear you point out is a .8 pitch gear, which is standard for CINE lens gears and CINE follow focus gears. The servo city gears are also .8 pitch, although they do have gears that work with ENG lenses too. I've never made any .8 pitch gearing on my 3D printer, so I definitely have not uploaded any .8 gears to this site. The only gears I've made on my printer are for XL size belt/pulley systems, which is something completely different. I also have not uploaded any of my XL pulleys, since they are pretty specific to my particular motion control rig.
Thanks! any chance those gears are uploaded in Thingiverse ? I'm just not sure what gearing i would need for something like this http://www.thingiverse.com/thi.... Thanks again for your response
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You'll need some 1/4-20 hex nuts and bolts too. These are used to fix the rail holders to the vertical posts and also for the rail holders to grip the rails.
The camera is held on the platform with a thumb bolt. The rod blocks are fixed to the vertical rods with a super extended thumb bolt. The 15mm rails are using a shallow extended thumb bolt. These are all essentially the same thumb bolt with different depths to fit the purpose.
The lens support is very specific and it was made to fit my 24-70mm Nikon. Your lens probably needs a support with a different diameter. If you get the OpenSCAD source from me, you can probably figure it out.
I am aware that the bolt hole in the rail holders is slightly off-center. I can't figure out why but it still works fine. If there is an OpenSCAD expert who thinks they can unravel my code and figure it out, please do.
If you make one, post a picture of your rig so I can check it out. Good luck!
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