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Product Description
I bought a used Brill Trolley for cheap a while back, but quickly found out that the axle gears were cracked. These will replace those gears as well as the sleeves that join the axles on the non powered truck. I printed them using MJF (PA12) nylon, and it was clean enough and durable enough to work. I did have to run a drill bit through the axle hole to clean it out so that the axles could go in easily but still be snug. I added SLA plastic as an option, but have not tired it for gears. Others make gears from detail plastic, but I find that material to be too brittle.
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