TriFinger Manipulator Platform
- the manipulator platform has 9 torque-controlled degrees of freedom
- it consists of 3 identical finger modules attached to an aluminum frame structure
- the finger module is describes in detail here: Finger Module Page.
- the frame an the required components are described below
Finger modules assembled - weight: 930g each
TriFinger Manipulator Platform - picture overlay
Picture: Felix Widmaier, Manuel Wüthrich and Shruti Joshi
Frame structure - t-slotted aluminum profiles
- The frame structure consists of aluminum profiles from Item.
- You will need the following components to build the frame.
- Item aluminum profiles - Size 8 - 40mm x 40mm - Item part number: 0.0.026.33
- Cut the profiles to length according to this drawing.
- 3 x 90 degree large angle brackets - Item part number: 0.0.411.32
- 9 x end caps - size 8 - Item part number: 0.0.026.01
- T-slot nuts M5 - Item part number: 0.0.480.54
3d printed frame center connector
- 3d printed center connector - STL file
Barrier - consisting of 3 polycarbonate sheets
- We use 3mm polycarbonate sheets to keep the objects inside of the manipulation area.
- Cut the polycarbonate sheets to size according to this drawing.
Camera mount for Baseler camera
- 3d printed camera mount - STL file
Basler camera with Basler lens
- Basler camera: acA720-520uc
- Basler lens: C125-0418-5M
Frame assembly - 6mm hex driver
Frame assembly - 6mm allen key
The finger modules can be stacked for transport. Weight: 8kg
All the components fit into a 1650 Pelican case. Total weight: 21kg
The manipulator platform can also be used upside down
The simplified STL files for visualization and simulation can be found here: STL Files Visualization
Click on picture above to view the PDF drawing
TriFinger Edu v1
Click on the picture to view the cad model in your browser
Open Dynamic Robot Initiative - Webpage
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Open Dynamic Robot Initiative - Paper
Hardware Overview
Software Overview
Felix Grimminger
BSD 3-Clause License
Copyright (c) 2019-2020, Max Planck Gesellschaft and New York University