Squared Circle-2A Square-1 with a 1x2x2 instead of a 1x1x2 in the middle plus two independently turnable circles.
Stainless Steel 2x2x3This is a custom 2x2x3 welded and fabricated out of 1/8" stainless steel, nuts and bolts.
Stier3D-printed pieces glued onto a skewb giving it the shape of a bull.
StretchlabacusA variant of Quartolabacus with asymmetrically elongated bends.
SunminxA puzzle close to the Heaven's Eyes but on the basis of a dodecahedron.
TanglelabacusA bigger variant of Astrolabacus with eight segments but still four channels of beads.