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can somebody point me to a source for gear castings, ideally small, med, and large sizes. i do a lot of industrial machines in my buildings and i always struggle when i need gears. i am currently working on a sea train crane for loading rail cars on the ship and need some gears for overhead hoist etc. i have looked thru the folk on scenic list but didnt find any.  i did see some as part of junk collection castings but not separate.  its times like this that make me wish i had a 3d printer!

thanks

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I thought MicroMark had an assortment of plastic gears, but I can't find them at their website? I will look around for a catalog as I believe that is where I had seen them. Since you mentioned a 3d printer I am guessing that plastic is ok?

Also for 3d printing there are places like Shapeways where people post their designs and you can have them printed for a small fee. You might find something there as well?

plastic is fine, its for looks it is not functional. the ones i have seen at micromark and other places were primarily for robotics or working models and the dont look like old gears did.  i have used these and modified them to look more period correct. it would be nice to have a 12" (1/4"), 24" (1/2"), and 36 or 48" (3/4, 1").   

What I had seen at Micromark was for casting resin they showed a bunch of gears as examples. I had never read the description before, just looked at the pictures. Sorry that wasn't what I thought it was.

Maybe the Shapeways type places online  would be worth a try? There have been a couple of folks here that have made some nice looking stuff with 3d printers. Maybe one of those folks could help you with the gears? I believe AlanRail was one of the forum members I remember posting 3d printing designs, but I haven't seen him post anything for a while now.

This picture was sent to me recently. Except for the motors and axles, this entire truck was made on a 3-D printer.  You do need to know how to design and draw the part. The advantage to 3-D printing is that you can make only exactly what you need rather than rummaging through a junk box trying to find compatible parts. I believe that these are 33" wheels and a 6' wheel base.  There is a a variety of side frames that can be used to finish the truck.  This is in 1 to 32 scale.  

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not sure this pic came thru right but this is style gear im lookin for. i actually found a number of perfect ones listed on etsy as steampunk gears but they r all thin i guess primarily made for jewelry etc. just seems like perfect thing for some of our vendors to pick and provide. not only for machines like i am using them but also as "junk" around the factory. 

thanks for yalls help and inputs. 

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Ste 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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