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Beastgrip Remix MK3

by sketchpunk, published

Beastgrip Remix MK3 by sketchpunk Mar 12, 2016
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Summary

Video Demo : https://www.youtube.com/watch?v=tM8tXBGBS7w

UPDATE 05/24/16==================
Created a new handle for the rig, plus cable holder to keep the wire nice and neat to connect the button to the phone. Also updated the lens slider. Overall some improvement but still not happy with the handle, its not very comfortable to hold, plus the lens module is a pain to put together. So those two areas need some redesigning.

Here is the 3rd attempt at creating a custom beastgrip like rig that turns a phone into a camera. This attempt merged the ideas I had from MK1 and MK2 into a nice simple yet very modular design. Going back to an all threaded setup seemed like a better choice since it allows the parts to be very well tighten together to keep things from bouncing around compared to MK2's thumb screw tightening which is much more beastgrip like. Ideally once the rig is setup for a phone, there is no need to really adjust it, so making it tight makes it easier to just slap on the phone and get to work.

MK3, I was finally able to introduce the shutter button mechanics which is really the big selling point for me. MK1 and 2 was just not good enough so I never bothered, but mk3 is finally a very stable rig that I finally took it a step further with a shutter button. Its pretty easy to make one, just need a TRRS mount and a 200ohm resister between pole 4 and ground with the button allowing electricity to flow when you want to take a picture. What this does is tell the phone that you are pressing the up volume button which Vol Up/Down for camera apps trigger's the shutter.

Another feature is being able to creating the rig at what vertical length you need. For my rig i wanted it to be as small as possible BUT at the same time when I get a newer phone that might be bigger I can still adjust the height of the rig for it to fit. So by using through hole standoffs and long M3 screws, I am able to set the overall height of the rig. Length wise, I just bought 3 feet long threaded rods and cut them to the exact length I want the rig to be.

There are many ways to make the vertical rods. You can use long screws and short standoffs, or you can make the screws shorter but the standoffs longer. You can even use different types of standoffs. Another way is to use two screws with a coupler to hold them together. OR just buy a bunch of threaded rods for real cheap and cut to length exactly what you need and just use M3 nuts to tighten it to the 3d printed parts. So how to build it is up to you, depends on what you have at hand Or how you want it to kind of look like.

Needed Parts
Step-Down Adapter Ring 46mm Lens to 37mm (Needed to mount lenses)
http://amzn.to/1P5LpsJ

M3 Nuts
http://amzn.to/229gd8L

M3 Rods

Regular steel, very cheap and what I used on the prototype. With 50 cents a rod, you can pretty much just use this and a mini hacksaw or dremel to cut the lengths of both horizontal and vertical screws. I am also posting stronger grade rods if you want a more solid feel but it'll cost you a bit more.

https://www.zoro.com/value-brand-threaded-rod-steel-m3-05x3-ft-m203000301000/i/G9804453/

https://www.zoro.com/value-brand-threaded-rod-a2-ss-m3-05x1m-m510700301000/i/G9463072/

https://www.zoro.com/value-brand-threaded-rod-a4-ss-m3-05x3-ft-150794/i/G9051165/

Buttons
http://amzn.to/1Xlng7o
http://amzn.to/1Xlniwb
http://amzn.to/1Xlnz1V

4 Pole Coiled Headphone cable
http://www.ebay.com/itm/3ft-4-Pole-Spring-Coiled-3-5mm-Aux-Cable-w-Mic-Gold-Stereo-Audio-Auxiliary-Cord-/151917166186?hash=item235ef7fe6a:g:BXYAAOSwP~tW4zDW

TRRS Jack (I used an SMD i had, but you can probably use something else as long as its TRRS). Also just grab a 200ohm resister.
http://amzn.to/1XloHTm

Possible screws to use
M3 x 80mm screws
http://amzn.to/1pDCw4S

M3 x 70mm screws
http://amzn.to/1Xll5AT

M3 x 60mm screws
http://amzn.to/1Xllao4

Different Standoffs you can use

M3 x 6mm standoff
http://amzn.to/1P5Leh1

M3 X 40mm standoff
http://amzn.to/1XllByL

Round Standoff, Stainless Steel 45mm
http://amzn.to/1P5LD33

Support
https://www.patreon.com/sketchpunk

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Brilliant!

I am thinking about building this ahead of my upcoming vacation to Australia. Are there certain lenses that you would recommend for this project? Or would standard dslr style lenses fit like the latest fuji compact lenses?

http://www.ebay.com/itm/Fujifilm-Fujinon-XF-27mm-F-2-8-Aspherical-Near-Mint-Free-shipping-From-Japan/162301873714?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D38530%26meid%3D30b346b9f8484504a542c26aa31bbc4b%26pid%3D100011%26rk%3D3%26rkt%3D12%26sd%3D291956088605

Dont think those sort of lenses will work, to be honest I'm not sure till you just press it up against a phone and see what the results look like. But that's a 27mm lense, I've only have support for 37mm with this rig.

Standard lenses for DSLR will need a DOF adapter. Beastgrip makes one but they charge over 100 dollars for it the last time I checked. You can try to make one on your own, but it'll cost you quite a bit and it probably won't work as well as the beast grip one.

So far the only thing I've played with was with a wide angle, macro and fish eye lense. The only real use I got was from the macro lense which allows me to use the phone with to do very close up shots. The wide angle works but I rarely really need it and the fish eye sit there collecting dust :)

The only thing I like about the rig is being able to use the shutter button to take shots, but you can get away just using the volume button on your phone to perform the same function and in the end you can quickly slap your phone back into your pocket.

I have not printed this, but I like the concept. Reading your description on the handle, I was wondering if you have considered trying a foam over the handle for a more comfortable grip... like this http://icdn3.digitaltrends.com/image/beastgrip-pro-1-1200x630-c.jpg, in lieu of finding the perfect shape of the printed plastics ;) Just a thought.

Printing... Best Grip thx Men :D

I really dig this. I was looking at a beastgrip pro, and looking at my printer, and then back again at the pro, then again at the printer, and then searched Thingiverse. My only question is why you went with Metric hardware for this version versus the ANSI hardware on V2?

I'm not done yet. I'm going to redo the handle and add a few more extra parts. But the rest of the parts you can print and start building if you want. I love to see make photos.

Why metric? I started using metric because their nuts are smaller. If you compare the M3 nut and the #6-32, its smaller in every direction. So that allowed me to shave off some spacing in other projects. Once I got into metric, i was able to find other interesting parts that seem to only come in metric or is cheaper to order online from china stores. In the end it only makes sense to go all metric on most of my projects now a days since I use a cad program for modeling which uses metric for measurement. For Ansi hardware I always have to use a caliper to measure the part in metric so I can model around it. In the end, even though I was brought up in the USA using feet and inches, after a year of having to use metric for 3d printing I started to realize that the metric system is just easier to use and do math with.

Side note, The unreal game engine uses the metric system to measure distance and sizes of 3d objects... so yea. The more I learn the more metric pokes you in the face.

The only reason I ask, is for the obvious 1/4-20 mounts. I'm trying to push more toward metric in designing, just because everything else is metric, but the hardware associated with photgraphy is mostly 1/4-20 threads. I'm off of work for a bit, recovering from surgery, and I have plenty of time to print stuff, so I'm hoping to get a bunch done, and something like this would be a perfect project.

thats funny that you mentioned 1/4. In the handle there is a hole for a 1/4 bolt or nut, specifically for camera stuff. I was also planning other 1/4 things that can be attached to the rails. So yea, the whole thing is metric except for some inclusions of 1/4 holes in certain places.

Sucks you had surgery but I guess you get the time to play and have fun. Silver lining :)

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