3D printing opens up new possibilities for RC sailors: customization, reduced cost, and parts available very quickly. We have modeled a series of cleats optimized for radio-controlled sails, with an effective line-locking system on both sides.
 

 
 Successfully tested on DF95, Class M and rg65 in regatta conditions — reliable locking, quick adjustments, good resistance to stress.
 

 
 You can download the printing instructions and the 3D model in stl format for free to print it yourself on your 3D printer.