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Showing posts with label Replacement. Show all posts
Showing posts with label Replacement. Show all posts

Sunday, 22 February 2015

Hot Rolling A Polymorph Replacment Cog From Surrounding Cogs And Gears

Lots of toys and gadgets have plastic gears as they are cheap, but a prone to fatigue and breaking.  Parts are often not available turning the device into broken landfill.  Here is a simple method to be worked on, for model making and repair.



Its also very cheap, and if you screw up using it, you just chuck it back into a cup of hot water and start again, its that simple.


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