Animation showing the mechanism in action.
Armlock
A stock for the secure locking of the arms. The outer rings go around the upper arms, just above the elbows, and the inner rings go around the wrists. Can be used with arms in front of body or behind the body.
Designed to be laser cut in four layers of 8 mm MDF, with the outer layers engraved.
The locking bolt can be replaced with a padlock, just adjust the hole size, currently 11 mm.
Files
OpenSCAD file: smallstocks.scad
File for laser cutting: armlock.svg
Photos
Animations
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Animation showing the mechanism in action.
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Images
Front view.
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Front view, open.
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Bottom view, open.
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Bottom view, closed.
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Rear view.
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Inspiration
Revision history
2020-11-16 First version.