![]() ![]() Our software HingeCoreMaker automatically converts 3D models into such 2D cutting plans. We produce finger hinges by laser-cutting foamcore "half-way". ![]() We evaluated our tool by converting 17 models found online to kerf-invariant models we evaluated kerf-canceling bearings by testing with kerf values ranging from 0mm and 0.5mm and find that they perform reliably independent of this kerf.įigure 1: HingeCore is a novel type of laser-cut structure, the key element of which is what we call finger hinges. We have created a software tool Kerf-Canceler that locates traditional mechanisms in cutting plans and replaces them with their kerf-canceling counterparts. Kerf-canceling mechanisms achieve this by adding an additional wedge element per mechanism. Unlike their traditional counterparts, however, they keep working when manufactured on a different laser cutter and/or with different kerf. Kerf-canceling mechanisms replace laser-cut bearings, slid-ers, gear pairs, etc. We address this with what we call kerf-canceling mechanisms. ![]() This precision, however, tends to be lost when fabricating on a different laser cutter, as it is likely to remove more or less material (aka "kerf"). Getting laser-cut mechanisms, such as those in microscopes, robots, vehicles, etc., to work, requires all their components to be dimensioned precisely.
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