Casting a gear using lost wax

[KBs PensNmore]

Saw this and thought it might be of interest to someone.
Casting from a broken plastic gear using the lost wax method.
https://www.youtube.com/watch?v=v44bEsL3TCo

Kryn

[China]

He put a lot of work into it, for what is a $10 gear AU, that gear is a sacrificial gear and is designed to fail under overload, hopefully the alloy one will do the same

[KBs PensNmore]

Looks like he's from Eastern Europe and things like the gear may not be available as a spare part. It might be a $10.00 part here, but knowing how manufacturing is being done, that spare part is "no longer available" you'll have to purchase a complete new mechanism.
It was more the concept/how to, that I found interesting, if you've the time and equipment why not!!!
Kryn