Part Description and Specifications for
This is a simple test structure (with low build height)
to test the handling of implicit intersections between solid lumps.
This is a simple ladder structure with 10 rungs
between two double rails.
The rungs stick into the rails, and the double rails intersect length-wise.
The path was generated by hand using the Berkeley UniGrafix language.
This part was specifically designed to test the handling of such
implicit intersections by different slicing programs.
This experiment is part of a research program sponsored by NSF
to streamline the process of rapid prototyping of free form parts,
by defining a clean interface between designers and fabricators.
The orientation, scale or strength of this model is not critical;
it can be scaled so as to fit optimally a particular process
or some remaining space in a run of a larger piece.
The .STL files describe a part that 2" wide (in x), 4" long (in y),
and about 0.3" thick (in z).
Part Description Files:
Berkeley UniGrafix description of the knot (ladder.ug).
.STL description of the knot (ladder.stl). ( 43 kB)
Compressewd .STL description of the knot (ladder.stl.gz). ( 1.5 kB)
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Carlo H. Séquin