75mm tripod ball mount
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Designed to fit a 75mm bowl tripod for larger cameras. The purpose of this is not as a substitute for a real 75mm ball…
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Designed to fit a 75mm bowl tripod for larger cameras. The purpose of this is not as a substitute for a real 75mm ball made from metal, but as a cheap way of holding up camera sliders or other items, and as a building block for other 75mm ball accessories.
If it wasn't clear enough, do not use this to support heavy camera equipment, it is a structural block meant to hold lightweight sliders.
Instructions
Requires:
- 3x 1/4-20" nuts
- 1x 1/4-20" threaded coupler nut
- 1x 1/4" washer (optional)
- 110mm long 1/4-20" threaded rod
Print all parts at ~100% infill for maximum strength. Print ball mount upside-down with support material.
Assembly:
- Take two 1/4-20" nuts, thread them down onto the threaded rod so that they are ~3/8" from one end of the threaded rod. Jam the two nuts together with wrenches so that the flats line up. Press-fit the assembly (may require vise and persuasion) into the 75mm ball.
- Secure the threaded rod onto the 75mm ball with the remaining nut.
- Press fit the threaded coupler into the bottom handle.
- Final 'assembly' - drop the 75mm ball down onto a 75mm bowl tripod, slide the bottom cap onto the threaded rod and tighten handle.
Optional: hot glue washer (friction reducer) onto either the cap or the bottom handle.
For future versions:
- Create a 3/8" version (or a version agnostic to thread size)
- Create some kind of retention mechanism to hold the bottom handle and bottom cap together for quicker assembly.
Category: Camera