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Effector Lab

Effector library

Spring-loaded marker holder tool

A printed holder that keeps a dry-erase marker pressed on a board through a spring; modelled here as rigid.

Passive toolProxyEntrantApache-2.0

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Facts

Kind
Passive tool
Class
Open hardware (buildable)
Capabilities
  • toola powered or passive tool rather than a grasp
  • pushpresses a button or closes a lid with a flat or rounded tip
Mount
A mobile manipulator's compliant gripper (the tool is held or screwed on).ISO pattern: none (own interface)
  • The robot's own gripper is not part of this item (it is under a non-commercial licence).

Specifications

SpecValueBasisSource
Compliancespring-loaded marker (not modelled)Derivedderived from the files or the model

Simulation

Status
ProxyGenerated simulation proxy
Model source
Rigid proxy from the description mesh (CoACD); the spring is not modelled.
Fidelity
Rigid model
Model
0 actuators · 18 g
Tournament
Entrant1 entrant spec in the effector tournament.

Compile and attach gate

Each entrant spec is built in the tournament's shared scene on every training part. One nominal episode per built part (no placement error, seed 0) is information, not part of the gate.

Spring-loaded marker holder tool

GATE PASSED
Primitive
hold
Actuators
0
Mass
18 g
Reach
33.1 mm
Opening
n/a
Training partGateHeld (nominal)Nominal outcomePenetrationWhy refused
BlockbuiltnoMissed grasp0.19 mm
Steel slugbuiltnoMissed grasp0.18 mm
Hex standoffbuiltnoMissed grasp0.16 mm
L-bracketbuiltnoMissed grasp0.12 mm
Pipe teebuiltnoMissed grasp0.28 mm
Flanged bushingbuiltnoMissed grasp0.12 mm

Held on no training part in the nominal episode.

Licence

Licence rating: green. Full attribution: see the credits page.

Files

FileTypeSizeLicenceChanged
marker_holder.urdf.xacroassets/effectors/library/tool-marker-holder/doc/marker_holder.urdf.xacroDocumentation3.2 kBApache-2.0as upstream
marker_holder.stlassets/effectors/library/tool-marker-holder/print/marker_holder.stlPrint file409.8 kBApache-2.0as upstream
holder_0.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_0.objSimulation file (derived)10.2 kBApache-2.0modified
holder_1.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_1.objSimulation file (derived)9.3 kBApache-2.0modified
holder_10.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_10.objSimulation file (derived)5.8 kBApache-2.0modified
holder_11.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_11.objSimulation file (derived)5.2 kBApache-2.0modified
holder_12.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_12.objSimulation file (derived)4.4 kBApache-2.0modified
holder_13.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_13.objSimulation file (derived)7.2 kBApache-2.0modified
holder_14.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_14.objSimulation file (derived)8.4 kBApache-2.0modified
holder_15.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_15.objSimulation file (derived)5.6 kBApache-2.0modified
holder_2.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_2.objSimulation file (derived)10.9 kBApache-2.0modified
holder_3.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_3.objSimulation file (derived)9.7 kBApache-2.0modified
holder_4.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_4.objSimulation file (derived)15.8 kBApache-2.0modified
holder_5.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_5.objSimulation file (derived)5.4 kBApache-2.0modified
holder_6.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_6.objSimulation file (derived)11.5 kBApache-2.0modified
holder_7.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_7.objSimulation file (derived)7.6 kBApache-2.0modified
holder_8.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_8.objSimulation file (derived)9.7 kBApache-2.0modified
holder_9.objassets/effectors/library/tool-marker-holder/sim/pieces/holder_9.objSimulation file (derived)4.5 kBApache-2.0modified
tool-marker-holder.xmlassets/effectors/library/tool-marker-holder/sim/tool-marker-holder.xmlSimulation file (derived)2.0 kBApache-2.0modified

Each file links to its copy in the repository. Licence texts sit next to them in LICENSES/. What changed is on the credits page.

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