guitar slides
thingiverse
I'm using guitar slides, stubby and 50mm with 24mm internal measurement and another set with 25mm internal diameter - perfect for those with bigger fingers like me. When I broke my glass slide, I refused to shell out ridiculous cash for a new one, so I fired up Tinkercad and came up with this design.
Download Model from thingiverse
With this file you will be able to print guitar slides 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 guitar slides.