different tubes_AP-0.jpg 63.2 KB · Views: 75 different tubes_AP-1.jpg 58.2 KB · Views: 76 different tubes_AP-2.jpg 59.7 KB · Views: 61 different tubes_AP-3.jpg 86.2 KB · Views: 70 These are some tubes i have been tinkering with. They are not perfect but definitely usable. Reactions: braved, 3D MOFO 2020! and sven_79_10