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Adjustable/lockable ball-joint phone holder for use as a camera mount for Prusa Connect.
Fits to any 3030 extrusion, without the need of any dismantling to expose the extrusion ends.

I made this for use with Prusa connect with my Prusa mini, but it should work with any 3030-extrusion.

It may be fitted in multiple ways depending on your liking since the joints are adjustable and it mounts on any 3030-extrusion part. It may also be mounted on any flat surface using the \u201cscrew\u201d-fixture with 4 x M4 Screws.

There are a short and a long version of the joint available depending on wished mounting position/distance.

In my mounting example i used:
3 x \u201crod_short\u201d
4 x \u201cscrew_cap\u201d
4 x \u201cball\u201d
1 x \u201crod_double\u201d

and, of course, 1x of each:
holder_*
extrusion_*

Everything prints without supports except the screw_cap which benefits from supports for build plate.
I included a picture of the orientation in which I printed everything.
If you print in PLA you may need to consider using a brim since theres only one perimiter for the bottom layer for some parts. I printed in PETG which worked very well since PETG sticks like h*ll.

I used 80% rectilinear infill for extra strength.

The \u201cscrew_cap\u201d may be printed right side up as well but then, at least for me, need some extra work filing/sanding to get it to thread properly.

Update:
After some feedback I have updated some parts to v2 (*_v2-files) with a coarser thread (M9 instead of M6) to hopefully make the parts stronger. I haven't printed the new version my self since I didn't experience the problem with the print being to fragile. So please report back if there is a problem with the new version.

Update 2:
Added a screw fixture per request. It may be screwed to any flat surface using 4 x M4 screws. The dimensions are adjusted to fit an IKEA Lack leg but any surface larger than that will work.

Update 3:
rod_double_v2 a left hand thread by mistake. changed to right hand on both sides on rod_double_v25.

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