Some decorative depictions of links with 12 crossings:
3-loop link in the form of a quasi-Celtic knot
Two interlaced open hexagrams
More ornate Brunnian link depiction
Two mutually-interlaced triquetras.
Three-loop link with three L4a1 configurations
Four-fold looping interlaced with circle (two-loop link)
Quasi-Celtic two-loop link
Trefoil interlinked with smaller trefoil
3-loop link in square form
For ornamental depictions of knots with 12 crossings, see K12a477, K12a541, K12a975, K12a1019, and K12a1210.