The file 'The 72mm Filter Transmission Grating For Solar Eclipse Spectrum Acquistion 3D Printer Model' is (stl,scad) file type, size is 217.6KB.
It's the low density grating filter with the slit to acquire the spectrum during the solar eclipse. It's will take the symmetrical spectrum with partial solar eclipse in 135-200mm lens.
User can modify the slitdist and filscrew for slit distance and filter size.
gratingF_135mm.stl | 688.4KB | |
gratingF_v0.1.scad | 2.9KB | |
gratingF_v0.1_slitp8.stl | 89.3KB | |
screwmetric3.scad | 3.6KB |