Change the Apex

This is just Hinge By, restricted to triangles.

\sxwtees{g1e,b2w,b1s,g2n} \sxhdiamonds{g1s,b2e,g2n,b1w}
1 3 2 4 1 3 2 4 1 3 2 4 2 4 1 3
before Outside Triangles Change the Apex 1/4 x 3/4 after




\sxhdiamonds{g1s,b2e,g2n,b1w} \sxhlines{g1s,b2n,g2s,b1n}
1 3 2 4 2 4 1 3 1 3 2 4 2 4 1 3
before Inside Triangles Change the Apex 1/4 x 1/2 after