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| + | {{DISPLAYTITLE:d4}} |
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| − | [[Image:1d4.png|200px|thumb|right|One design of d4, displaying a result of 2 (result in the top corner)]] |
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| − | [[ |
+ | [[File:D4.jpg|thumb|255px|A d4 with the result on the low end of the dice, here reading 2.]] |
| + | A '''d4''', or '''four-sided die''', is a [[dice|die]] that has an equal chance of rolling the integers from 1 to 4. Its most common form is a regular tetrahedron, in which form it appears in the standard 7-dice set used in [[role-playing game]]s like ''[[Dungeons & Dragons]]''. The tetrahedral d4s are sometimes known as '''[[wikipedia:caltrop|caltrops]]''', a reference both to their shape and how much they hurt if accidentally stepped upon. |
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| + | ==Forms== |
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| − | A '''d4''' — also called a ''four-sided die'', a ''[[Wikipedia:caltrop|caltrop]]'' (because of both their shape and how much they hurt if accidentally stepped upon) or, less commonly, a ''tetrahedron'' — is one of several standard polyhedral dice used in gaming. Each type is generally identified by the use of the letter "d" (for "die" or "dice") and the number of sides the die features. Multiple dice are connotated by an additional number prefixing the D. So rolling five four-sided dice would be noted by writing 5d4. |
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| + | ===Standard form=== |
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| + | Most d4s are regular tetrahedra (triangle-based pyramid), a Platonic solid with four sides that are equilateral triangles. Because of its shape, the d4 doesn't have a side that faces upward when it is at rest on the [[table]], so it must be read in a different way. Each face has three numbers, arranged such that the upright number, placed either near the highest vertex or near the opposite edge (resting on the table), is the same on all three visible faces. The upright numbers represent the value of the roll. |
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| + | Tetrahedral d4s do not roll especially well, and are used relatively infrequently compared to other dice. |
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| − | Because of its shape, the d4 doesn't have an "up" face like all other types of die. As a result, two variants of d4s have arisen to try to solve this problem. The first type (above right) displays the result in the ''corner'', such that the result of a roll is always the uppermost number. |
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| + | ===Other forms=== |
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| − | The second d4 variant (bottom right) displays the result along the ''edge'', such that a roll's result is always the number closest to the table. |
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| + | Other forms of d4 exist. In particular, 8-sided and 12-sided dice (usually used for [[d8]]s and [[d12]]s) may have the numbers 1 to 4 printed on the sides multiple times (twice on the 8-sided dice, three times on the 12-sided dice). These roll better than the standard d4, especially thr 12-sided version. |
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| + | Four-sided long dice (i.e. elongated cuboids) exist, but are rarely used since they roll even worse than the tetrahedral versions. |
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| − | The d4 is infrequently used, but is one of the standard dice in the [[d20 System|d20]]/[[OGL]] system. |
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| + | ==Uses== |
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| − | {{Dice}} |
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| + | The d4 is the smallest standard die. It is rarely used on its own in a game rule, and therefore is used mostly to provide an adjustment with a small [[probabilities|swing]] to larger numbers (including ones generated by larger die sizes). In ''[[Dungeons & Dragons]]'', it is used for low-[[damage]] [[attack]]s, such as with daggers or the [[magic missile]] [[spell]], and small benefits from spells such as guidance or bless. In many [[edition]]s of ''Dungeons & Dragons'' prior to [[Dungeons & Dragons 4th edition|fourth edition]], the [[wizard]] [[class]] has d4 [[hit dice]] (rolling 1d4 at each [[level]] for [[hit point]]s). |
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| + | ==External links== |
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| ⚫ | |||
| + | *{{wp link|Four-sided die}} |
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| + | *[[w:c:whitewolf:d4|d4]] at White Wolf Wiki |
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| ⚫ | |||
Latest revision as of 09:38, 24 July 2020
A d4 with the result on the low end of the dice, here reading 2.
A d4, or four-sided die, is a die that has an equal chance of rolling the integers from 1 to 4. Its most common form is a regular tetrahedron, in which form it appears in the standard 7-dice set used in role-playing games like Dungeons & Dragons. The tetrahedral d4s are sometimes known as caltrops, a reference both to their shape and how much they hurt if accidentally stepped upon.
Forms[]
Standard form[]
Most d4s are regular tetrahedra (triangle-based pyramid), a Platonic solid with four sides that are equilateral triangles. Because of its shape, the d4 doesn't have a side that faces upward when it is at rest on the table, so it must be read in a different way. Each face has three numbers, arranged such that the upright number, placed either near the highest vertex or near the opposite edge (resting on the table), is the same on all three visible faces. The upright numbers represent the value of the roll.
Tetrahedral d4s do not roll especially well, and are used relatively infrequently compared to other dice.
Other forms[]
Other forms of d4 exist. In particular, 8-sided and 12-sided dice (usually used for d8s and d12s) may have the numbers 1 to 4 printed on the sides multiple times (twice on the 8-sided dice, three times on the 12-sided dice). These roll better than the standard d4, especially thr 12-sided version.
Four-sided long dice (i.e. elongated cuboids) exist, but are rarely used since they roll even worse than the tetrahedral versions.
Uses[]
The d4 is the smallest standard die. It is rarely used on its own in a game rule, and therefore is used mostly to provide an adjustment with a small swing to larger numbers (including ones generated by larger die sizes). In Dungeons & Dragons, it is used for low-damage attacks, such as with daggers or the magic missile spell, and small benefits from spells such as guidance or bless. In many editions of Dungeons & Dragons prior to fourth edition, the wizard class has d4 hit dice (rolling 1d4 at each level for hit points).
External links[]
- Four-sided die at Wikipedia, the free encyclopedia.
- d4 at White Wolf Wiki