About this 3D model

Simple ring tensioner, inspired by https://loopalien.com/ It's usable in many different ways, please don't use it for climbing or other “vital” tasks. The first 3 pictures shows the 15mm version with paracord 550 (7 strings, about 3.5mm diameter). Paracord on amazon (affiliate link) 5 sizes: big ring 10mm big ring 15mm big ring 20mm big ring 25mm big ring 30mm big ring 35mm for use, watch these videos: Video 1 Video 2 Video 3