Right click on image tile and save to your hard drive.

 Right click on border and save to your hard drive.
Border will match at ends.

 

This is a tube with transparent background.
Click on image to download zipped tube.

Tube shown at 50% actual size.
Click on image to download zipped tube.

Tube is shown at 67% actual size.
Click on image to download zipped tube.

 

3 tubes shown 100%.
Click on image to download zipped file.