Screw track
thingiverse
As the name implies, this track is a screw. It is designed as a 2 part print. The 2 tracks meet correctly at the seam as to be almost seamless.
Download Model from thingiverse
With this file you will be able to print Screw track 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 Screw track.