Feature |
Small Stella |
Great Stella |
Stella4D / Stella4D Pro |
Polyhedra included |
Platonic solids |  |  |  |
Archimedean solids |  |  |  |
Kepler-Poinsot |  |  |  |
Prisms/antiprisms | Convex only |  |  |
All other uniform polyhedra |  |  |  |
Johnson solids |  |  |  |
"Near misses" (almost Johnson solids) |  |  |  |
Stewart toroids |  |  |  |
Compounds | A few | Over 100 | Over 100, plus some 4D compounds |
Geodesic domes |  |  |  |
Pyramids, cupolae, cuploids, cupolaic-blends |  |  |  |
Brückner's 1906 polyhedra |  |  |  |
Waterman polyhedra |  |  | 3D and 4D |
All 16 regular polychora (polychoron = 4D polytope) |  |  |  |
All 1849 known uniform polychora |  |  |  |
Uniform duoprisms and antiduoprisms |  |  |  |
Various 4D uniform fissaries and scaliforms |  |  |  |
Polyhedral nets (for making paper models) |
Print nets |  |  |  |
Tabs on nets |  |  |  |
Scale nets by setting model radius/edge length/etc |  |  |  |
Multiple nets arranged on each page |  |  |  |
Group nets by color (optional) |  |  |  |
Manual tweaking of nets |  |  |  |
Edge connection IDs so you know what to glue to what |  |  |  |
Design additional internal parts for increased robustness |  |  |  |
View nets folding/unfolding in real-time |  |  |  |
Export net measurements for alternative construction (e.g. wood) |  |  |  |
3D nets of 4D polytopes (1, 2) |  |  |  |
Polyhedral tools |
Animated transitions between models (e.g. 1) |  |  |  |
Design your own polyhedral tours (e.g. 1) |  |  |  |
Duality (spherical reciprocation) |  |  | 3D and 4D |
Compound with dual | But no nets |  | 3D and 4D |
Morph between duals in real-time (8 methods) (1, 2, 3, 4, 5) | But no nets |  |  |
Animated 2D slices of 3D polyhedra (1, 2, 3, 4, 5, 6) |  |  |  |
Animated 3D slices of 4D polychora (1, 2, 3, 4) |  |  |  |
Step through slice depths that hit vertices |  |  | 3D and 4D |
Measure distance between vertices, lines and planes |  |  | 3D and 4D |
Faceting (examples, description, manual) |  |  |  |
Augmentation/excavation/drilling (glue polyhedra together) |  |  |  |
Blend two polyhedra |  |  |  |
Convex hulls and cores |  |  | 3D and 4D |
Zonohedrify (create zonohedron from other polyhedron) |  |  |  |
Geodesic spheres based on any other polyhedron |  |  |  |
Choose subsymmetry (affects coloring, stellation etc) |  |  |  |
Delete/keep one part of compound |  |  | 3D and 4D |
Multi-level undo/redo |  |  |  |
Stellation |
Stellation of polyhedra (examples, description) |  |  |  |
Various stellation criteria (Miller's rules, fully supported, mainline etc) |  |  |  |
Step through stellations, or choose cells manually |  |  |  |
2D stellation diagrams |  |  |  |
Stellation diagrams attached to 3D polyhedron |  |  |  |
Cell diagrams (tree structure of stellation cells) |  |  |  |
Stellation of arbitrary set of planes |  |  |  |
4D-specific tools |
View 3D projections of 4D polytopes (orthogonal or perspective, e.g. 1, 2, 3, 4, 5, 6) |  |  |  |
Rotate polytopes in 4D |  |  |  |
3D cross-sections of 4D polytopes (e.g. 1, 2, 3, 4, and animated: 5, 6, 7) |  |  |  |
View 3D nets of polychora (e.g. 1, 2, 3, 4) |  |  |  |
Manually rearrange cells in nets |  |  |  |
View 3D vertex figures of polychora |  |  |  |
View 3D cells of polychora |  |  |  |
Truncate, rectify, and expand polychora |  |  |  |
Convex hulls and cores of polychora |  |  |  |
Build 4D prisms from 3D polyhedra |  |  |  |
Create 4D step prisms and gyrochora |  |  |  |
Decorative tools |
Comprehensive choices for face/edge/vertex coloring |  |  |  |
Put images/photos on faces (1, 2, 3, 4, 5) |  |  |  |
Interactive control of image position/rotation/scale |  |  |  |
Images included in printed nets (1, 2) |  |  |  |
Display formatted text on faces/edges/vertices |  |  |  |
Display tools |
Geomag rendering mode (e.g. 1, 2, 3, 4) |  |  |  |
Stereoscopic 3D display (with red/blue glasses or cross-eyed/parallel-eyed pair) |  |  |  |
Spheres at vertices/cylinders along edges |  |  |  |
Hide some faces |  |  |  |
Display rotational symmeties |  |  |  |
Display reflective symmeties |  |  |  |
Display vertex figures |  |  |  |
Merge colors of overlapping coplanar faces |  |  |  |
Information window |
Shows alternative names |  |  |  |
Shows Wenninger index & page number |  |  |  |
Shows Wythoff symbol |  |  |  |
Shows number of faces/edges/vertices |  |  |  |
Shows number of parts in compound |  |  |  |
Shows genus, density, surface area, volume |  |  |  |
Number of parts in nets |  |  |  |
Number of edges to cut/fold/glue in nets |  |  |  |
Stellation info |  |  |  |
Input/Output |
Export anti-aliased 2D images and videos in various formats |  |  |  |
Import 3D polyhedra from OFF format (Requires closed surface with double precision coordinates) |  |  |  |
Import 4D polytopes from OFF format (Requires double precision coordinates) |  |  |  |
Export 3D polyhedra to DXF format |  |  |  |
Export 3D polyhedra to POV-Ray format |  |  |  |
Export 3D polyhedra to VRML format |  |  |  |
Export 3D polyhedra to OBJ format |  |  |  |
Export 3D polyhedra to OFF format |  |  |  |
Export 3D polyhedra to STL format |  |  |  |
Licensing |
For commercial use |  |  | Stella4D: , Stella4D Pro:  |
Prices |
Free demo |  |  |  |
Single user license | $14 | $45 | Stella4D: $67, Stella4D Pro: $120 |
School license | $75 | $219 | Stella4D: $329 |
University license | $125 | $359 | Stella4D: $545 |