- Take 3 yard sticks, 3D print a sliding telescoping section, to combine these 3 into an 8' measuring stick (telescoping for minor adjustment to panel widths 
- Tape - tab scratching - marking without a marker. . Hold and scribe . Mark circle with tape 
- Tape with magnetic hook 
- Tape with extra large hook allows holding from side . Concept is 360 degree hook as stated in one review for this one that doesn't look like 360 degree 
- Tape with swivel hook holds 360 degrees. Claims to hold on to round pipe. Does it work? 
- Swivel hooks appear to be an advancement. More grab with less size. Savage Grip Line - 
- Line scribing tape - can be a game changer for midline cuts away from edge of sheet material. Savage Pro Scribe - designed for marking lines and circles.