The Smell of Molten Projects in the Morning

Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

Image Trace and Cut

Having admired the paper craft at RavensBlight and with some experience in simple paper cuttery, I had to try my hand at the Ghost Truck. Rather than using an X-Acto knife and straight edge around the perimeter, I set it up for laser cutting.

The instructions & layouts are images in PDF files, so it’s straightforward to import them into LightBurn and trace the outlines:

Ghost Truck - LightBurn vectors
Ghost Truck – LightBurn vectors

Tracing produces short vectors and irregular curves:

Ghost Truck - LightBurn pre-optimize
Ghost Truck – LightBurn pre-optimize

The Optimize Shapes tool and a little manual intervention clean things up:

Ghost Truck - LightBurn post-optimize
Ghost Truck – LightBurn post-optimize

You must manually add any cuts buried in the pattern, as in the Trailer Wheels parts shown above, so pay attention to the instructions.

Use the Move Laser tool to put the laser head at an obvious point on the layout, then skootch the printed page (in a Letter size fixture) to put that point under the beam. Repeat for another point, iterate until satisfied, then Fire The Laser:

Ghost Truck - cutout overview
Ghost Truck – cutout overview

Some irregularities peek around the edges:

Ghost Truck - cutout detail
Ghost Truck – cutout detail

On the whole, it’s much better than I could do with a knife.

Repeat for the other seven pages of parts:

Ghost Truck - Assembly
Ghost Truck – Assembly

With some diligence I may have it ready for All Hallows Eve …

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