collimator
thingiverse
This telescope collimator is in 2 inches, it's a project in progress, so I haven't tested it and I haven't printed it yet. It's designed for LEDs of 3mm, the rear section must be glued after the LED wiring. If you want to make changes, leave me a message.
Download Model from thingiverse
With this file you will be able to print collimator with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on collimator.