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Modular Mounting System

by yyh1002, published

Modular Mounting System by yyh1002 Mar 22, 2017

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Summary

This project is a mounting system for phones and lightweight cameras.

DESIGN CONSIDERATIONS:

  • It is designed to be modular to provide flexible use. The system has potential to mount most phones and small cameras onto a wide range of objects. Using same parts printed for different purpose is the major approach.
  • The included phone clamp can grab phones very firmly. And it is suitable for phones from about 55mm wide to 80mm wide (iPhone 4 - iPhone 7 Plus and bigger). The clamp hook was angled 45 degrees so it won't be able to reach and accidentally press the buttons on the side of phone.
  • The modules can be used with GoPro compatible equipment. The bolts and nuts included in the design are standard M5. You can either print them or use metal ones for better stiffness.
  • With this modular system, I will be developing new add-ons to it. Feel free to watch this thing. Many of the objects designed for GoPro are already usable for this setup. I uploaded some .obj files for modular parts so everyone can also collaborate for better solutions.

ACHIEVED APPLICATIONS:

  • Phone/Camera/GoPro mount for Ultimaker 2 monitoring.
  • Phone/Camera/GoPro mount for Aluminum extrusion printers.
  • Desk clamp for phone/camera (get the bolt from original author page).
  • Stand for phone/camera.
  • Bike mount for phone (in remixes)

MAKING:

  • One of the challenges of this project is making the project entirely 3D printable at a very small scale for such a function. So it wouldn't be necessary to shop online for some tiny little parts which the shipping cost is much more expensive than the product itself.
  • In order for the bolts to be strong enough to take pulling force, they cannot be printed vertically. Therefore the bolts are oriented horizontally, with the bottom teeth trimmed off, and with 30 degrees step shape (it is usually 45 if printed vertical). With such treatment the bolts are both strong and easy to print with support material even at 0.2mm layer height.
  • Print bolts and nuts at low outer wall speed (15mm/s) to increase accuracy. If the tolerence for bolts and nuts doesn't workout for you, I've attached the settings used to create them so you could make your own with slightly altered values.
  • Make sure you use metal bolts and nuts for mounting heavy items like camera.
  • It is highly recommended to print with complete support interface for the parts in this project. Support interface would give a flat bottom which result in a better mechanical performance.
  • The orientation of stl files are already thought through during my testing. Try printing at the current orientation unless you run into problems.
  • It is not recommended to reorient the arms to save support material. The tabs will be easy to break if printed otherwise.
  • Mirror the arm one after another in order to have knobs on the same side.

ACKNOWLEDGEMENTS:

UPDATES:

  • 22/03 - The phone clamp knob originally uploaded has issue of screw poping out of knob instead of knob pulling the clamp out. A new knob named "M5 knob for phone v2 tighter" with smaller hole is uploaded for the socket to firmly grab the bolt. "Phone clamp down nongrab" is an old backup version which the clamp doesn't pull out while unscrewing the knob.
  • 02/04 - More variation of arms. Added more tolerance to the arms.
  • 13/04 - A holder that grabs the phone clamp less tight. (Phone clamp holder v2)
  • 20/04 - After a period of use, the printed bolts or nuts start to give up, especially the nuts, not able to lock the arms in place. They are more like a temporary solution. I would buy metal bolts to replace them.
  • 24/04 - New version of the knob for phone clamp. More convenient to twist. Smaller diameter. (M5 knob for phone v3)
  • 26/04 - New version of the knob for the joints with smaller diameter. The long knob is no longer needed. (M5 knob short v3)
  • 09/05 - Longer M5x65 bolt for wide phones larger than 5.5 inch. (M5x65_D)
  • 18/05 - Mount for lightweight cameras! (Camera Mount & Camera Screw)
  • 18/05 - Moved the position of the nut in phone clamp, making it extend 10mm longer with M5x65 bolt. (Phone clamp down v3)
  • 18/05 - Slightly more tolerance to holes for bolt. Minor change.
  • 04/06 - New version of the knobs with better grip. (M5 knob short v4, M5 knob for phone v4)

NOTES:

  • It is not recommended to extend the arm too long. General filament is not strong enough to take that much lateral load at this size and the arm would be very wobbly. And the arms are optimized to stay still. If you wish to use this design as selfie stick or similar purpose, please be careful with the material strength and use at you own risk.

Parts Assembly List

This is the list to indicate which function of the mount the parts belong to.


MOUNTING BASE - the base to attach the mount to something

Clip UM2
Clip 2020 profile
G-clamp
Flat stand


ARMS - the foldable arms and connectors

Axis change connector
Arm v2 (anything)
M5.0 Nut
M5x25 D
M5 knob short


PHONE CLAMP

Phone clamp down grab
Phone clamp up NO tab
Phone clamp up WITH tab
Phone clamp holder
M5x65 D
M5.0 Nut
M5 knob for phone
M5 knob short
M5 knob long


Camera Mount

Camera Mount
Camera Screw

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which screw goes with the g clamp? also which part is used in the fourth picture connecting it to whatever it is being connected to?

Would it be possible for us to get a list of parts that we need for the first few examples shown in the pictures. I like the idea, i just don't know what I need to create a functioning part. So a list of what was used is the main picture would be very helpful! Thank you!

The list on the bottom of description page tells you the function of parts. You should be able to find out what you need checking with what the stl files look like.

Thank you for this great design. Would it be possible to have the g-clamp 10 mm wider? It doesn't fit on my Ikea bed :D

OK, silly me. There is one in the Remix section. all good :D

Thank you ! Great mounting system !
If I want to let my phone cover the phone clamping is not thick enought, 5mm more would be perfect :), I didn't succeed to open the .stl file in Solidworks, could you send me another file format ?
Regards
Christophe

Great design! - works great for my cell phone

HI, nice Design i Love it. In the first picture are 2x Arm_v3_60 for the body?

Thanks! Yes you are correct.

The flat stand is too big for my print area, any suggestions on printing separate pieces?

Feel free to remix a separated flat base for people with small printers.

May 23, 2017 - Modified May 23, 2017

Can anyone help me?
I want to edit some parts in autocad but I don't how to convert a stl into a dwg file.

Changing the .stl to .dwg doesn't work

Someone help me please!

May 22, 2017 - Modified May 22, 2017

This is a great print! Trying to use it to set up my phone to record the 3D printer, but had a slight bump when it came to using the Phone clamp... I am not quite sure how the nut is supposed to fit? Any help would be great! As I said other than that this is an amazing print!

Nevermind, Just slightly resized the nut and it works great!!

Thanks! Refer to the assembly image. Slide the two parts of clamp together. When the two sockets meet, insert the nut from bottom.

I did a remix of the clamp, I made it bigger to fit my note4 in an otter box case, should fit any iPhone plus also.

GREAT DESIGN!!!

You might consider making a bigger phone clamp for the plus sized phones out there.

Thanks for the feedback. I just updated the phone clamp to v3 before you post. I modified the position of nut to work with 65mm bolt. It extends 10mm longer at the same body, which should cover 5.5 inch phones with case now.

May 19, 2017 - Modified May 19, 2017

What bolt do I use for g clamp?

Awesome thing! What would be your recommendation regarding infill / shells / material?

May 19, 2017 - Modified May 19, 2017
yyh1002 - in reply to mcamou

Standard 3 layer wall and 20% infill should be sufficient for most of the parts. I won't recommend "Line" type infill which change direction every layer for these sort of structural parts. "Grid" or "Rectangle" infill is stronger than "Line".
The small parts like bolts and nuts should be printed at 100% infill. PLA is good enough.

May 16, 2017 - Modified May 16, 2017

the clamp can handle a kindle?

Nope. It's not wide enough.

This will be my first attempt at trying to make something functional, so you're design looks amazing! I am sure I will enjoy attempting to create this thanks will upload progress.

Good luck!

This is an awesome system / design. I have found that to hold a wide phone (e.g. OnePlus3), a screw reaching to the max-length of 65mm was needed.

I went ahead and created one using the NUT JOB tool but don't know how to shave off the 'bottom' third of the rod/thread length like you've done in the included .stl's to make it better/easier to print with supports. Can you share with us how you did this?

Thanks again!

May 9, 2017 - Modified May 9, 2017
yyh1002 - in reply to snowboarder04

It's a shame that the bolt is not long enough. I thought I covered phones at the size of 5.5 inch.
I import the stl into Rhino and convert it to polysurface. Then apply Boolean difference function to trim the teeth. I'll upload a 65mm bolt with trimmed teeth.

Slight problem...the m5 nut is freaking massive lol. As in it's 80 mm across. Idk how big it's supposed to be but something tells me that's not right.

The nut is directly generated by the generator. I didn't have this problem. But the size should be 8mm.

I downloaded it again and had the same problem. I just assumed it was supposed to be 8 so I scaled it down and it worked.

I got the same problem in Simplyfi 3D, but the problem were that the program taught that the nut/model were to small and asked if i it were incorrect and if it should translate it to inches instead of mm. So i reloaded the model and said no to that suggestion and the nut is loaded in normal M5 size.

Comments deleted.

Where is the other part to the G clamp? It does not seem to be included?

ok i see the link to the original g clamp. I just print off the screw and pad and it will work with the modular mounting system?

Yes. The demensions are all the same.

Apr 13, 2017 - Modified Apr 13, 2017

everything that is supposed to slide together or interlock needs to have a 0.2mm offset on either side to compensate for the 0.4mm orifice printing directly on the vector path. For example if you have 1 part that slides into another, you have 2 sides on each part that need 0.2mm offset to ensure proper fit. That's 4 sides that need the offset for the tolerance. That's 0.8mm total of material blocking the fit so it just won't slide together.
|<edge(0.2mm)center>|||||<center(0.2mm)edge>|
|<edge(0.2mm)center>|||||<center(0.2mm)edge>|
|<edge(0.2mm)center>|||||<center(0.2mm)edge>|
|<edge(0.2mm)center>|||||<center(0.2mm)edge>|
|<edge(0.2mm)center>|||||<center(0.2mm)edge>|

Apr 13, 2017 - Modified Apr 13, 2017
yyh1002 - in reply to cpa11225

0.8mm dimension difference is a very conservative number. Probably big enough for all printers and slicers to work.
I personally likes a smooth slide without any wobble so the current tolerance is set quite small after a few test prints. More resistance also helps the screw to hold the phone more securely under extreme situation such as bike mount.
Honestly if 0.8mm is needed for the slide to work, either the slicer is not optimised or the printer needs calibration.
I might make a version of the phone holder with more tolerance to work for more printers.

Comments deleted.

Could you make some kind of a "kit folder", for the methods showcased in the photos, as this is really confusing me?

What do you mean by "kit folder"?

A folder that has only the parts required for one use

I see. I think I'll make a list to group the individual parts according to function.

I added a list under the description section. Hope it helps.

Comments deleted.

This looks amazing, I will definitely use this instead of trying to get a tripod in a good position near the printer.

Thanks mate!

The gopro style mounts may need a little work. They fit SUPER tight. I can't get them to fit without a little heat.

Mar 26, 2017 - Modified Mar 26, 2017
yyh1002 - in reply to Duff8402

Thanks for the feedback.
The dimensions in model already have decent tolerance. The connectors work great while printed vertically.
While printed horizontally however, the three-tab end could be printed thicker than it should be and being too tight, and there are two reasons for this.
One is support z drop, which the layer is lower than it should be because it is printed on support with z distance gap.
The other reason is that layer thickness setting increases thickness of the model. Slicing at 0.2 layer height, the 3.2mm piece could get sliced as 17 layers due to its position.
I lay the arms horizontally because that's the only orientation making the tabs reliably strong. But it is harder for dimension precision. I'll try change spacing for horizontal tabs to work better.

Good job!!!
I can´t find the screw for the G-Clamp

Thanks. As mentioned in the description, you need to find the screw in the original page of the G-Clamp.

Thanks for your reply and sorry. Now the G-clamp is printed but I can't find the Phone Clap down to complete the phone mount.

You can find "Phone clamp down grab.stl" in current files. There might have been a few minutes of me updating the files so the file is missing in your downloads. Sorry for that.

Awesome thingi mate!
Thanx a lot for sharing this with us, i appreciate it a lot!
Maybe you'll add a Tabletmount for (small?) Tablets in the future? Would be awesome, too!

Tablet is quite challenging due to its size and weight for this module. It will probably need a more "heavy duty" design if running on a suspended arm. But a adjustable stand on desk is quite achievable with the current arms running parallel.

I was working on something similar, but I think I'll stay with your design. Looks great!

Thanks, mate!

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