Cutting metal on a farm often used to involve either an oxy-acetylene torch, a hacksaw or tin snips ... Sheet metal nibbler. Hand-powered nibblers sell for around $70 and excel at cutting tight ...

Much of MDi #4 was made by hand-cutting and drilling sheets of high impact polystyrene (HIPS) with a utility knife and layering them as needed. Epoxy and aluminum provide gap filling and ...