可定制菲涅耳透镜

Hello everyone, I am currently working on a project that involves a Fresnel le. I needed a le that could be adjusted following paramete can be changed- Focal length- Fresnel le diameter- Thickness of the le- The length of a groove (rib)- The amount of grooves- The spacing between groovesA tutorial on how to change the model has been model can be changed by changing the variables used in the equatio. After having done this edit the variable pattern feature by opening the table and dragging each column down like : have included an excel file that shows what it should look , I hope everyone will get good use out of this model. Renderings of this le are always welcome.