Wrist articulation joint modification

siliconefun · Post by **siliconefun** » Sun Jun 25, 2017 2:48 am

Hi dear 4woods friends,

Here's an interesting link http://dollforum.com/forum/viewtopic.ph ... 09#p880309 on how I modified the wrist articulation joints on an A.I.NEO im body to achieve a full hand revolution instead of the originally restricted 1/4 revolution.

- SF -

Post by **Mondoon** » Sun Jun 25, 2017 5:34 am

Thanks for posting this SF

At some point I'd like to increase the rotational angle of Hanna's wrists. There are occasions when the small angle of rotation can be very frustrating and I have to work around it. I'll keep a link of this.

Best wishes to you and The Dream Team.

siliconefun · Post by **siliconefun** » Sun Jun 25, 2017 5:46 am

Mondoon wrote:Thanks for posting this SF

At some point I'd like to increase the rotational angle of Hanna's wrists. There are occasions when the small angle of rotation can be very frustrating and I have to work around it. I'll keep a link of this.

Best wishes to you and The Dream Team.

I didn't want to split the whole topic I've posted the mod because there're so much replies but this trick works in the same way.
Thanks for looking by

- SF -

CrazyCajun · Post by **CrazyCajun** » Sun Jun 25, 2017 7:15 am

siliconefun, Congratulations, very well done indeed!

siliconefun · Post by **siliconefun** » Sun Jun 25, 2017 8:28 am

CrazyCajun wrote:siliconefun, Congratulations, very well done indeed!

Thanks CrazyCajun, you too are a well skilled 'doll enhancer'

- SF -

CrazyCajun · Post by **CrazyCajun** » Sun Jun 25, 2017 8:51 am

It has been my experience that most, if not all, doll owners are very resourceful individuals. It is forums like this one that allows us to overcome issues that mere mortals would simply cringe at, throw their arms up in defeat and walk off!

The amount of knowledge and skills that are contained here is awesome for sure!

siliconefun · Post by **siliconefun** » Sun Jun 25, 2017 11:17 am

CrazyCajun wrote:It has been my experience that most, if not all, doll owners are very resourceful individuals. It is forums like this one that allows us to overcome issues that mere mortals would simply cringe at, throw their arms up in defeat and walk off! The amount of knowledge and skills that are contained here is awesome for sure!

SO TRUE

- SF -

siliconefun · Post by **siliconefun** » Sat Mar 14, 2020 5:43 am

Hi dear 4woods friends,
Here's a follow-up of our wrist modification job on Mia's A.I.NEO im-body.

Thoughts to this project
As a photographer, I want to achieve realistic posing and this feature annoyed me:
The original range of motion from Mia's wrists.

: I can't do more :-(; Mia wrist rotation.gif (281.79 KiB) Viewed 1229 times

How to make the impossible....just possible
Sorry dear Mia, we need to do a surgery

I placed a small cut on the inner mold seam line of both wrists and soon the joints were freed.

: Mia's wrist bone. It looks kinda different as on a human skeleton.; DSC00153.jpg (199.64 KiB) Viewed 1229 times

: Mia wrists.jpg (366.58 KiB) Viewed 1229 times

The original wrist rotation is limited to a 1/4 revolution but I wanted a full revolution. To realize this movement the original fixture needed to be modified to custom made swiveling joints

: Wrist joint.jpg (305.74 KiB) Viewed 1229 times

: Wrist jointE.jpg (115.61 KiB) Viewed 1229 times

The new wrist joint design
The installation was easy as I only needed to drill new holes to secure the custom made fixture to the PVC-tubing.
First, I reinstalled the hand palms into the slotted adaption and then I fitted the joints into the tubing. After securing the joints with a couple of short M4 screws a first wrist rotating test was done.

: DSC00165.jpg (179.09 KiB) Viewed 1229 times

The wrists move now very smooth and the desired range of motion can be achieved with ease.
The provided 4woods 3-part repair kit was used for the cosmetic closure of the cuts which healed seamlessly.

Mia couldn't wait to demonstrate her new abilities