EdDataFix wrote:
How could you cast a mold for a gear that has a quarter of it missing.
It is plastic gear
for a a printers fuser in a micro film reader. Part of the circle with
the gear teeth is missing.


Thanks EdDatafix


Are you sure you can't locate a replacement gear?:


http://snipr.com/microfilm-shop

https://sdp-si.com/eStore/Direct.asp?GroupID=207

http://snipr.com/small-parts.gears


http://snipr.com/google-search