Avoid obstacles and measure distances with the ultrasonic range finder. Device emits a high-frequency sound wave that alerts the robot to things in its path. A Programming Kit is needed to change the program in the VEX Controller. Measure distances from 1.5in to 115in. Detect obstacles using high frequency sound waves.
If it's a gallery, they will usually expect to be paid 50% - 60% of the selling price. If you need to be paid $499.80 for the quilt, that means the person the gallery is selling it to will need to pay at least $999.60 for the quilt.
This is a very interesting question. If the person you would be working for does not do any applique, quilting, or other handwork, she might not have the faintest idea of the potential time involved. This is a situation where the cost of an imported quilt would be detrimental to your earning a fair wage. Say you charge $5-$10 per hour for work. I'm very slow at applique, so an intermediately complicated block like a cornucopia, could easily take 10 hours or more of work. At minimum wage you are approaching $50. You can buy a twin size imported quilt for less than that. You MUST discuss money before you ever start. I have made this mistake in the past.