The standard tri-fold brochure mockups at this post are 11x17 size brochure. Seven photoshop PSD mockup files and seven textures for the floor background are
11x17 Roll Fold Brochure Mockup Brochure template, Brochure, Travel brochure template
11 x 17 Tri Fold Brochure Template - U.S. Press
Vectogravic Design A Creative Market Shop
Tooth Paste Mockup Vectogravic Design
11 x 17 Tri Fold Brochure Mockup, Cover Actions Premium
DL Size Flyer or Poster Mockup - Mockup Free
It’s a mockup of four-panel brochure-type called Double Parallel Fold Brochure Mockups, this brochure mockup is for 16″x9″ size brochure/flyer. See
16×9 Double Parallel Fold Brochure Mockups
11×17 Z-Fold Brochure Mockups – Vectogravic Design
A4 Booklet Mockup Vectogravic Design
Free to Download makeup and Cosmetic Mockups
Free Adobe Illustrator 11 x 17 Brochure Layout Guidelines, PrintMagic, Vertical Rectangle