100% / Actual size · A4 · Turn off Fit to page and browser headers and footers. Measure from 0 to 100 mm on the ruler on each sheet before cutting. Score along the dashed purple lines.
3 mm board · 2 pieces.
Tab neck 3.4 mm. Slot 6.8 × 18.8 mm.
Fold both wings onto the same face, side by side. Check that the thickest point of the folded tab is narrower than the slot. Slide the tab in until the shoulder seats against the board. Open both wings on the far side and pull gently to check the fit. See the illustrated steps →