Hacksaw blade knife/tool handle - Customizable

Handle and sheath for a knife or tool made from hacksaw blade.

If You need to customize the handle:
* Measure your hacksaw blade part length
* Subtract tool tip length (e.g. 20-25 mm is OK for a carving knife)
* Decide on the handle length (150 mm is OK for most tools)
* Open thing in Customizer and enter your measurements.

If You want to customize the sheath, You'll need to open `sheath.scad` file in OpenSCAD.

The handle should be printed with supports, the sheath - without support