So one of my colleagues who I do most of my research with is a color-rectal surgeon. He collects “unique” colon gifts, so figured since I hadn’t lasered anything for him, it was a good morning project.
First off I have a very nice 3D model of the colon that you guys have seen in my molding thread but figured it was time to laser that…
So I took it into Slicer for Fusion, now to do that I took the OBJ file into MeshLab and first decimated the model from 1m polygons, to 15000 (since this will be plywood - and slicer couldn’t process this) using edge detection decimation. Then using “smart triangle” method converted the triangles to quads (important for proper slicing).
Opened the model in slicer, set it for laser, defined the size of the material and thickness (as it turned out I redid it all in millimeters since regular doesn’t import so well - thanks @Jules) and set about creating a file:
Then played around with the interlocking slices settings to get the look i wanted
It had some errors due to needing to fully slice some pieces, but I figured we can just glue those up
Then I made a video of the assembly steps (why is there no export as a video???) Had to use video screen capture!
Exported the cut file. Didn’t work great as a DXF when exported in mm, so switched to PDF and worked great in AI. I removed the little tiny unconnected slices, and moved pieces around to use the least plywood (why is that stuff tailed way out to the right?? So moved those into the crook of the large pieces)
The only bummer was you would think Autodesk who is making a tool for either CNC milling or Laser cutting would make the key-letters closed shapes, since the GFUI at least tries to close them, but they are gobbledygook in some cases. I didn’t notice this until they were already in progress and I wasn’t going to just eat another sheet of plywood… This took 53 minutes on GF Maple Plywood, 100/27 cut and medium engrave. A lot of weeding…
I bet if we cleaned up the model a smidge and fixed the text, we could sell these at national colorectal surgery meetings!