This guide shows a durable, adjustable PVC shed frame you can use as a generator cover, grill or gear shelter, hunting blind, mini greenhouse, bike/gear or garbage/trashcan/mail shelter or just simple rain cover/shelter. It lists materials, step-by- step assembly, useful variations, and common mistakes to avoid so you can size and build a reliable shelter that fits your needs. What this design is and when to use it:    This design is an adjustable, lightweight, modular PV