The tents actually … Repeat with the … She even asked for the display tents at our local Cabella’s. Meg was looking all over town for a doll tent, and couldn’t find one. Backstitch at each end. Serge or zig zag the seam allowances. I took and measured the material from top to bottom and across the bottom and one across the middle, made dots… Sew over the line, and continue with TWO of the tent side seams. “Sure, just make a doll tent … The cots were about $10 to make. DIY Tent and Doll Cots--for an 18 inch doll! Hi friends! If you want to make a tent for an 18″ doll, you will want to use the 20″ x 19″ dimensions. Pin the seam allowances down and sew to create a casing. 15 thoughts on “ DIY Doll Tent ” Tim August 8, 2014 at 11:41 am. After getting frustrated, she told me she’d just make one herself, and I laughed at her.