Tag Archives: autocad
Basic Fresnel lens with Fusion360
Fusion 360 is free, and handy if you want to make engineering objects. Proved to be really difficult for other things. First, we need the radius of a simplex thin lens of f=4cm. The refraction index of the clear resin is close to 1.5. There is a handy calculator in Hyperphysics for the Lens-Maker’s formula… Read More »