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## Main Question or Discussion Point

Hello. MechE noob here. I'm an ECE guy and I'm apart of a group of students working on a solar car. I decided I wanted to get more mechanical experience so I joined one of the ME teams. However, before they let you work on real stuff they make you go through smaller projects.

So my first smaller project was to make a mill handle to replace a broken one. I designed it in Solidworks. It is extremely simple, just two cylinders connected to each other with the radius of one much smaller so it can fit into a circular slot.

My question is how to choose a material. I haven't the slightest idea what factors are at play here and how to go about deciding. I figure it will be plastic or aluminium but that's all I've got.

Can I have some guidance as to how to go about this? Any help would be appreciated.

So my first smaller project was to make a mill handle to replace a broken one. I designed it in Solidworks. It is extremely simple, just two cylinders connected to each other with the radius of one much smaller so it can fit into a circular slot.

My question is how to choose a material. I haven't the slightest idea what factors are at play here and how to go about deciding. I figure it will be plastic or aluminium but that's all I've got.

Can I have some guidance as to how to go about this? Any help would be appreciated.