Laser Cutting

Need your model sliced so you can create those interlocking wood pieces on the laser cutter?
Use Fusion Slicer https://apps.autodesk.com/FUSION/en/Detail/Index?id=8699194120463301363
Free.
Load an STL file, and play with options to produce the interlocking wooden model you require.
Lots of videos showing examples on line.

Box Joints for laser
https://www.chattlab.org/laser/box-joints

Tim made this from a photo of my car with TVRM 630. This requires decent effort and time!

Detailed look at Raster Engraving made on the Laser.

Some of the Art Work Created via Lazer