motor drawing 3d models

The curve shaped like an S keeps the filament lodged firmly but gently against the walls so after a retraction it doesn't move out of position, so 2.5mm tubing is not needed and we can use a more smooth 3mm that puts less strain on the motors. The...

I haven't test this yet, so I don't know if the flower part is printable; I generated the gcode (with support) and it seems so. I could not find any artwork of the book, a fan art nor even a drawing of them, so this is comes out entirely from my...

I used GIMP instead of Paint.net for drawing the topography; Octave instead of MATLAB for plotting the 3D model; MeshLab for simplifying the meshes, instead of Microsoft 3D Builder; Freecad2 instead of SolidWorks for the tunnel and the World Engine;...