Tool School: Pineapple Trim Tool

Ok, so you saw a wonderful new gadget and bought it.  But if you don't know how to use it, what good is it?  Here's the solution:
Each month in Tool School, we offer a hands-on lesson to help you learn how to use and get the most out of a tool that's sitting unused in your sewing room. CALL OR EMAIL US TO NOMINATE A TOOL FOR A FUTURE TOOL SCHOOL!

SUPPLY LIST
Creative Grids Pineapple Trim Tool or Pineapple Trim Tool Mini
Sewing Machine with 1/4" foot (bring your manual, too)
Small Cutting mat (or rotating mat)
Rotary Cutter
Usual sewing supplies

Prepare fabric before class:
Background fabric 4 strips cut 1.75 x WOF
4 different colors of fabric scraps cut into 1.75 wide strips
OR 4 different coordinating fat quarters.

For the 20 block quilt you would need a total of 3 yards of background fabric for blocks and borders.