karda gismu

x₁ is a card [small nearly-2-dimensional shape/form] of material x₂, shape x₃.

(x₃ shape default rectangular); See also matci, tapla, plita.

In notes:

matci: x₁ is a mat/pad/mattress/pallet [flat, soft, dense form] of material x₂.
plita: x₁ is a plane [2-dimensional shape/form] defined by points x₂ (set); x₁ is flat/[smooth].
tapla: x₁ is a tile/cake [shape/form] of material x₂, shape x₃, thickness x₄.
cunfai: f₁ is shuffled/randomly distributed/cut among f₂ with shares/portions f₃.
cunfaigau: g₁ shuffles/randomly distributes/cuts x₂=f₁ among x₃=f₂ with shares/portions x₄=f₃.
jinrcaibyca'u: x₁ is a region/room/volume of space which is shaped like a washer (or thin or flattened torus/toroid), between inner disk/sphere x₂ and outer disk/sphere x₃, defined by midplane x₄, and containing x₅.
plekarda: k₁ is a sheet [small nearly-2-dimensional shape/form] of paper in shape k₃.
pletomino: x1 is a polyform/polyplet/polyomino/polyabolo/polyiamond (etc.) composed of parts/'tile' polytope x2 arranged in (finite) unified shape/pattern x3 in ambient space x4 and subject to rules/restrictions/conditions x5