x_{1} is a right-angled shape/form defined by set of vertices x_{2}, dimensions x_{3} (default 2).

Also rectangle, square, rectilinear; square (= kubykurfa, pitkubykurfa), cube (= kurkubli), rectangle (= clakurfa), rhombus/diamond (= sa'orkurfa, sa'orpitkubli). See also bliku, kubli, tapla, salpo, tarmi.

- bliku
- x
_{1}is a block [3-dimensional shape/form] of material x_{2}, surfaces/sides x_{3}. - kubli
- x
_{1}is a cube/regular polyhedron/polygon of dimensions x_{2}(def. 3), surfaces/sides x_{3}(def. 6). - salpo
- x
_{1}is sloped/inclined/slanted/aslant with angle x_{2}to horizon/frame x_{3}. - tapla
- x
_{1}is a tile/cake [shape/form] of material x_{2}, shape x_{3}, thickness x_{4}. - tarmi
- x
_{1}[ideal] is the conceptual shape/form of object/abstraction/manifestation x_{2}(object/abstract). - piknofibre
- x
_{1}is a/the pycnofiber [hair-like structure/coating; body-part] of x_{2}at body location x_{3} - pirmidi
- x
_{1}is a pyramid of base/side x_{2}and height x_{3}