Window screen pull tab, spline-channel (Prime-Line PL 7921 size) - printable replacement (STL + STEP + parametric FreeCAD)

Printable replacement for a small part that often breaks or goes missing. Dimensions: 23.8 wide x 27 reach. 10 mm tongue, 1.3 mm thick, 3 barbs. Grip 1.8 mm thick with ridges mm. Verified: Width and reach match the listing (0%). Estimated: Tongue length and thickness are estimated. The tongue must fit under your spline in a channel of about 1/8 in. Please check: Check that the tongue slides under your spline. If it is loose or tight, change `tongue_t`/`tongue`. Includes STL, STEP and the parame…

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