Double Coin D4
This is a D4 working as two interlocked coins.
Clearances are 0.5 mm and works perfectly for Strong and Flexible.

Also check the Double D6 based on a similar concept.


IN: 1.968 w x 1.968 d x 0.197 h
CM: 4.998 w x 4.998 d x 0.5 h


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The version of the picture and of the video is Dyed Strong and Flexible and it works well. I did not tryed the other materials, but metal is no more allowed because of moving parts.
September 10, 2012, 5:19 am
does it work well in plastic or should it be made in metal?
September 10, 2012, 1:28 am
April 26, 2011, 3:27 pm


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