acute triangle
annulus
arc

bipyramid

circle
concave polygon
cone
convex polygon
crescent
cube
cuboid
curve
cylinder

decagon
disc
dodecahedron
dot

ellipse
ellipsoid
equilateral triangle

gnomon

helix
heptagon
hexagon
hexahedron
hyperboloid
hypersphere

icosahedron
interval
isosceles triangle

kite
Klein bottle

line
line segment
lozenge

möbius strip

nonagon

obtuse triangle
octagon
octahedron
orb
oval

parabaloid
parallelepiped
parallogram
pentagon
plane
Platonic solid
point
polygon
polyhedra
prism
pyramid

ray
rectangle
regular polygon
rhombus
right triangle

scalene triangle
sector
semicircle
shape
shapeless
sphere
spheroid
square
star

tesseract
torus
trapezium
trapezoid
triangle

wedge