The file '1/4-20 T-track (4.5″ Long) PERFECT FIT 3D Printer Model' is (stl) file type, size is 8.7KB.
This t-track was designed in Fusion 360 based on the ASME B18.2.1 minimum and maximum measurements for a 1/4-20 bolt head. The fit is dead on.
The file is for a 4.5" long section with two mounting holes. This is the largest I could print on my tiny printer.
4.5in_Ttrack.stl | 36.8KB |