have created a prototype bicycle using yet another frame material – hand-folded sheet metal. They claim that their product is lighter, stronger and cheaper to produce than an aluminum-tube frame ...

If you race a tube-frame car such as a Late Model ... This is especially true in unibody cars, where the chassis and sheet metal are a single unit. See All 9 Photos One answer is to take your ...

For example, many designers would start by making a solid model and then using a Thin Wall Shell command to make what looks like a thin tube. However, the command is not a sheet-metal function and ...