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Parametric

Parametric joints

Tabs, slots, dowels and half-laps that hold the parts together.

Tabs per fin can be automatic (one for every Tab every of length) or a set count. Slot play and Lap play loosen the fit; use small negative values for a press fit.

Options

Tab width3 to 100 mm · step 1 mm
The width of each tab that joins a fin to its backboard, plate or hub.
Tabs1 to 50 · step 1
How many tabs each fin has.
Tab every10 to 2000 mm · step 5 mm
Adds one tab for every this much fin length, when the tab count is automatic.
Slot play-0.5 to 2 mm · step 0.02 mm
Extra room in each slot for its tab. Raise it if tabs are too tight; use a small negative value for a press fit.
Dowel Ø1 to 30 mm · step 0.5 mm
The diameter of the dowel holes. Match your dowels, plus a little play.
Lap play-0.5 to 2 mm · step 0.02 mm
Extra room in the half-lap slots where two ribs cross.