# item.guide
Side-by-Side Comparison Gaming Supplies

Miniature Bases vs. Polyhedral RPG Dice

Comparing 2 standards across 20 specifications. 20 key differences identified.

Comparing:
Miniature Bases
Polyhedral RPG Dice

Miniature bases are standardized plastic platforms used in tabletop wargaming (Warhammer 40,000, Age of Sigmar) and tabletop RPGs (D&D) to define model footprint, line of sight, and melee engagement range. Official standards specify round bases from 25 mm (infantry) to 160 mm (monsters), and oval bases from 60×35 mm (cavalry) to 170×105 mm (large vehicles).

View full Miniature Bases spec sheet →

Polyhedral dice are standardized 7-die sets used in tabletop role-playing games (TTRPGs) including Dungeons & Dragons and Pathfinder. A standard set consists of D4 (tetrahedron), D6 (cube), D8 (octahedron), D10 (pentagonal trapezohedron), D% (percentile tens), D12 (dodecahedron), and D20 (icosahedron), manufactured in standard 16 mm to 22 mm millimeter heights based on Platonic solids.

View full Polyhedral RPG Dice spec sheet →

Specification Comparison Table

20 Parameters
Parameter / Spec
Small Infantry Round Base
25 mm (classic Guardsmen, Gretchin)
Standard Infantry Round Base
28.5 to 32 mm (Space Marines, Orks, Sisters)
Elite / Character Round Base
40 mm (Terminators, Captains, Custodes)
Heavy Infantry / Monster Round
50 to 60 mm (Centurions, Dreadnoughts, Spawn)
Large Walker / Monster Round
80, 100, 130, 160 mm (Redemptor Dreadnought, Greater Daemons)
Biker / Cavalry Small Oval
60 × 35 mm (classic cavalry/bikers)
Modern Outrider / Cavalry Oval
75 × 42 to 90 × 52 mm (Space Marine Outriders, Gore-gruntas)
Chariot / Monster Medium Oval
105 × 70 to 120 × 92 mm (Large beasts, light tanks)
Flyer / Super-Heavy Large Oval
170 × 105 mm (Imperial Knights, Aircraft)
Standard Set Composition
7 Dice (D4, D6, D8, D10, D% tens, D12, D20)
D4 Shape & Height
Tetrahedron (4 triangular faces) 16 to 18 mm (vertex to base)
D6 Shape & Height
Cube (6 square faces) 16 mm (0.63 inches face-to-face)
D8 Shape & Height
Octahedron (8 triangular faces) 15 to 16 mm (face-to-face)
D10 / D% Shape & Height
Pentagonal Trapezohedron (10 kite faces) 16 mm (vertex-to-vertex)
D12 Shape & Height
Dodecahedron (12 pentagonal faces) 18 mm (face-to-face)
D20 Shape & Height
Icosahedron (20 triangular faces) 20 to 22 mm (face-to-face)
Opposite Faces Sum (D6)
7 (1+6, 2+5, 3+4)
Opposite Faces Sum (D8)
9 (1+8, 2+7, etc.)
Opposite Faces Sum (D12)
13 (1+12, 2+11, etc.)
Opposite Faces Sum (D20)
21 (1+20, 2+19, etc.)