The file 'Reading Bar (Flat) 3D Printer Model' is (STL) file type, size is 129.1KB.
The reading bar isolates text on a page so readers can focus on reading one or two lines at a time. This tool is curved to contour an opened book. There are two versions of this tool: one with a small reading window and one with a large reading window.
Curved version: https://www.thingiverse.com/thing:2802057
Reading_Bar_Flat_Large_Window.STL | 182.1KB | |
Reading_Bar_Flat_Small_Window.STL | 176.5KB |