One for the pet door, which includes two sets of frames, each frame contains one large and one small frame, small frame are located within the larger framework.The two sets of frames, screens or screen door from the inside and outside dish combinations, you can get a gauze attached to one large and one small two frames, small frame is still located within the larger frameworkCutting the combined frame and the framework of the gauze, left, right and bottom, and retain the top of the interval between two frames gauze.You can use the top of the gauze and get a door.一個供寵物進出的門,它包括兩組框架,每組框架又各含有一大一小的兩框架,小框架位於大框架內,如回字形。將這兩組框架,分別從紗窗或紗門之內外夾起組合,可得一夾住紗網之一大一小兩框架,小框架依舊位於大框架內,如回字形。割開組合後的大小兩框架之間隔的紗網,左、右及下方,並保留大小兩框架之間隔上方的紗網不動。即可利用此上方未割開之紗網為蝴蝶頁,而得一可內外開之門。A‧‧‧紗窗或紗門B‧‧‧室內框架組B1‧‧‧室內框架組之內層框架B2‧‧‧室內框架組之外層框架C‧‧‧室外框架組C1‧‧‧室外框架組之內層框架C2‧‧‧室外框架組之外層框架D1‧‧‧室內框架組之卡筍D2‧‧‧室外框架組之卡筍E‧‧‧組裝完成之框架
