Dot lense
grabcad
this is a hollow dot sight so you can see the impact point yet still have the advantage of a red dot on target, with cross hairs for faster aquisition.
Download Model from grabcad
With this file you will be able to print Dot lense 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 Dot lense.