Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
Articulated finger extensions
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Articulated finger extensions

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Summary

https://youtu.be/gaZWjItCFYg

My take on Gary Fay's articulated fingers extentions.
I've made the fingers as thin as I could so I can add differents 3d printed skins later (like a skeleton skin, a monster skin, an evil witch skin, etc.).

I know the thumb isn't suppose to have that many phalanx but I thought it was spookier like this.

Those are custom-made for my hands so you'll have to adapt them for you.

My hands (length of fingers from inner webbing to the top) :
• Thumb 70mm
• Index finger 80mm
• Middle finger 85mm
• Ring finger 85mm
• Pinky finger 60mm

Width of my fingers are around 20mm.

I used filament for all the axis. Easy to cut to any size needed. Burn each end and squeeze them.

Edit:
• 17/05/20 Updated MF_Pha_A, PIN_Pha_A and THUMB_Pha_A
• 24/05/20 Uploaded the skeleton skin : https://www.thingiverse.com/thing:4391928
• 24/05/20 Uploaded the files used to create a skin: https://www.thingiverse.com/thing:4392074
• 30/05/20 Uploaded the Fusion 360 file

PARTS YOU'LL NEED TO PRINT FOR ONE HAND :

5X Axe
5X Gear_A
5X Gear_B

3X MF_Pha_A
2X MF_Pha_B
3X MF_Pha_BF_Base
3X MF_Pha_BF_Top
4X MF_Pha_C
1X MF_Pha_D_Top
1X MF_Pha_D_Base
2X MF_Shaft_A
2X_MF_Shaft_B

1X IND_Pha_B
2X IND_Pha_C
2X IND_Pha_D_Top
2X IND_Pha_D_Base
1X IND_Shaft_A
1X IND_Shaft_B

1X PIN_Pha_A
1X PIN_Pha_B
1X PIN_Pha_BF_Top
1X PIN_Pha_BF_Base
4X PIN_Pha_C
2X PIN_Pha_D_Top
2X PIN_Pha_D_Base
1X PIN_Shaft_A
2X PIN_Shaft_B

1X THUMB_Pha_A
1X THUMB_Pha_B
1X THUMB_Pha_BF_Top
1X THUMB_Pha_BF_Base
1X THUMB_Shaft_A

1X Wrist

PARTS FOR EACH FINGERS :

Thumb :
1X Axe
1X Gear_A
1X Gear_B
1X THUMB_Pha_A
1X THUMB_Pha_B
1X THUMB_Pha_BF_Top
1X THUMB_Pha_BF_Base
1X THUMB_Shaft_A
2X PIN_Pha_C
1X PIN_Pha_D_Top
1X PIN_Pha_D_Base
1x PIN_Shaft_B

Index finger :
1X Axe
1X Gear_A
1X Gear_B
1X IND_Pha_B
2X IND_Pha_C
1X IND_Pha_D_Top
1X IND_Pha_D_Base
1X IND_Shaft_A
1X IND_Shaft_B
1X MF_Pha_A
1X MF_Pha_BF_Base
1X MF_Pha_BF_Top

Middle finger :
1X Axe
1X Gear_A
1X Gear_B
1X MF_Pha_A
1X MF_Pha_B
1X MF_Pha_BF_Base
1X MF_Pha_BF_Top
2X MF_Pha_C
1X MF_Pha_D_Top
1X MF_Pha_D_Base
1X MF_Shaft_A
1X_MF_Shaft_B

Ring finger :
1X Axe
1X Gear_A
1X Gear_B
1X MF_Pha_A
1X MF_Pha_B
1X MF_Pha_BF_Base
1X MF_Pha_BF_Top
2X MF_Pha_C
1X IND_Pha_D_Top
1X IND_Pha_D_Base
1X_MF_Shaft_A
1X_MF_Shaft_B

Pinky finger :
1X Axe
1X Gear_A
1X Gear_B
1X PIN_Pha_A
1X PIN_Pha_B
1X PIN_Pha_BF_Top
1X PIN_Pha_BF_Base
2X PIN_Pha_C
1X PIN_Pha_D_Top
1X PIN_Pha_D_Base
1X PIN_Shaft_A
1X PIN_Shaft_B

Print Settings

Printer brand: Prusa

Printer: i3 MK3

Rafts: No

Supports: Yes

Resolution: 0.15 mm - Quality

Infill: 15%

Filament brand: Amazon Basics

Filament material: PLA

Notes:

Full support only for Gear_A /
Support from build plate for Shafts, Gear_B, Axe, Pha_As and Pha_Bs /
Print Pha_As and Pha_Bs vertical

How I Designed This
Observ -> Think -> Design -> Model -> Print -> Restart

 

I use reference pictures and videos for starters. Retro-engineered the mechanic. Designed pieces on Illustrator. Modeled them on Fusion 360. Back and forth till I got one finger figured out. Then adapt the model to each of my fingers.