Needs 2x Spikes(Bolt + Nut), 2 Straps and 1 Center The strap was been design with 0.2mm layer height in mind The lenght from tip to tip comes out to 44.5cm (17.5in) A small test for the clasp was included, print it for making sure it works for you

Printed with PLA on a glass bed, Hilbert curves and 2 perimeters with decent success