Rod, no I have no jigs, I do it all by eye. That results in a lot of filing away little bits that don't look symmetrical and then sanding. Until finally it looks right.

Here's the final result.

Blades of Lohmann Niolox.
Handles of black linen Micarta
Guards of nickel silver
spacers of nickel silver and black vulcanized fiber.

Sheaths of black dyed bridle leather with kydex inlays front and back for stiffness and wearer protection.

The 4" version.



The 5" version



And both for size comparison.