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Ice Lock

icelock2.PNG Ice Lock
11a3445ef2f3605fa974126ce131da2a.png Ice Lock
20171105_150125.jpg Ice Lock
c37e04d3d1fee17bb72c7c0879db57fd.png Ice Lock
IceLockKey.STL Ice Lock
IceLockBody.STL Ice Lock
icelock2.PNG Ice Lock
11a3445ef2f3605fa974126ce131da2a.png Ice Lock
20171105_150125.jpg Ice Lock
c37e04d3d1fee17bb72c7c0879db57fd.png Ice Lock
IceLockKey.STL Ice Lock
IceLockBody.STL Ice Lock
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Creation quality: 5/5 (1 vote)
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2 files (STL) Close
  • IceLockBody.STL 40.0 ร— 70.0 ร— 39.999998 mm
  • IceLockKey.STL 26.737702000000002 ร— 71.63414399999999 ร— 5.0 mm

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Published to Thingiverse on:
Design number 487469
Design author Rhoboto
Rhoboto

Rhoboto

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3D model description

Ice-based timed lock. Freeze the pin in the body, and at room temperature, it will take 2-3 hours for the ice to melt enough to release the pin. It's a nice alternative to cobbling together an electromechanical timed lock, and more reliable as long as you're not in a freezer :P

Printed in Hatchbox PETG at 246C, the lock will support >100lbf with fresh ice inside. PLA also works well, but ABS prints have shattered from the expanding ice. If you have that problem, check out the similar design in the "remixes" section that improves on it.

If your print isn't watertight, try increasing the extrusion multiplier by ~15%. The intent is to print with the following settings:
0.5mm extrusion width, 2 wall outlines, 0.3mm layer height, I used 20% infill.

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