Parts Information

LEAP Hand V2 can be assembled in under a day. Visit Assembly for Instructions.

LEAP Hand with metal palm and gears costs around $4000. I highly recommend it for its increased durability.
Please email me with any questions at kshaw2@andrew.cmu.edu

Dynamixel Components




Item Name Quantity Cost (ea.) Total
DYNAMIXEL XM430-W210-T

6 $269.90 $1619.40
DYNAMIXEL XM430-W350-T 6 $269.90 $1619.40
DYNAMIXEL XC330-T288-T 5 $89.99 $449.95
DYNAMIXEL HN12-I101 Set
2 $17.80 $35.60
DYNAMIXEL FPX330-H101
You only need the BHS M2.6x6mm and M2x4mm TAP screws here,
but this is the easiest way to get them.
1 $9.80 (4pc) $9.80
DYNAMIXEL U2D2 1 $32.10 $32.10
DYNAMIXEL Power Hub
You can also build your own
power cable with 5 dynamixel leads
and 1 power lead instead for
a cleaner setup. See LEAP V1 Instructions.

Ideally, you can use LEAP Power hub instead.
See LEAP Power for more details.
1 $19.00 $19.00
Long 180mm Dynamixel cable 1 $19.00 $19.00
XT30 Pigtail
Use this to build your own cable instead of the PowerHub.
These are not strictly necessary, but they're helpful:
JST EH Cable (15x)
JST EH Housing (5x)
1 $9.00 $9.00
Other Misc. Parts
Name Quantity Cost (ea.) Total
Berkley Trilene Big Game Monofilament Fishing Line
100lb, Clear, Mono Leader, 0.99 mm Diameter
1 $12.99 $12.99
M3 22mm 1 $8.99 $8.99
M3 6mm 3D printer Inserts 5 $19.00 (variety) $19.00
6701-2RS Bearings 12mm x 18mm x 4mm 1 $9.39 (10 pack) $9.39
Synthetic Grease 1 $8.41 $8.41
High-Strength Threadlocker 271 1 $7.99 $7.99
Polymaker PLA Pro 1 Black and 1 White Roll Set 1 $47.99 $47.99
Polymaker Polydissolve PLA 1 $59.99 $59.99
Recreus Filaflex Foamy Natural 1.75mm 600g 1 $54.90 $54.90
Power Supply (12v 20a) 1 $19.99 $19.99
Power Cable AC
(Change for your Country)
1 $7.00 $7.00
14 AWG 5v Cable 1 $9.99 $9.99
Cost (Metal Parts):
As of Dec 2024

Dynamixel: $3813.25

Metal Parts: $1000

Other Parts: $266.63

Total: $5079.88

Please see CAD tab for metal 3D printed parts from PCBway. Highly Recommended Upgrade.
Cost (Plastic):
As of Dec 2024

Dynamixel: $3813.25

Other Parts: $266.63

Total: $4079.88

 

Contact us at kshaw2@andrew.cmu.edu if you need help obtaining parts.


Tools Required

Name Quantity Cost (ea.) Total
Snapmaker J1S
We can send you fingers instead if you don't want to print them. Email me.
You cannot use a single nozzle Bambu, as the AMS cannot switch TPU.
I only provide settings for J1s, but Prusa XL with two nozzles is theoretically possible.
1 $899.99 $899.99
0.2mm Printer Nozzle 1 $5.79 $5.79
3D Printer Nozzle Wrench 1 $9.98 $9.98
Cleaning Filament (to clean out TPU nozzle) 1 $12.99 $12.99
Clog Poke tool 1 $12.99 $12.99
M2 and M3 Hex Wrenches 1 $9.99 (variety) $9.99
Motorized Screwdriver 1 $44.99 $44.99
Soldering Iron
These tips are useful but not necessary.
1 $12.99 $12.99


3D Printed Parts

Please go to the CAD tab to download the files.