The tag has no wiki summary.

learn more… | top users | synonyms

10
votes
12answers
4k views

What do you call a cylinder with a hole down the center?

Imagine a 3D cylinder, like a can. Now imagine that almost like an axle spot for a wheel, there's a hole shaped in a perfect circle going down the cylinder. That's the shape I have to figure out the ...
1
vote
2answers
216 views

Is there a name for the “3d” version of a crescent shape?

Is there a name for the "3d" version of a crescent shape, like there for square (cube), circle (cylinder) etc. Can I call it a "crescent prism" - is this a valid term for it?
0
votes
1answer
291 views

Are there names for the measurements of an arrow?

I need to describe some measurements of an arrow shape. Are there names for the measurements described in the diagram pictured below? Blue lines indicate a measurement and are capped with red lines. ...
2
votes
2answers
387 views

Noun for for u-shaped bend on electrical component's pin (wire) to aid in placement (Beading / Ribbing / Crimp)?

I'm trying to find the correct noun for a u-shaped bend in an electrical component's pin. Is there a generic technical term that may usually refer to a deformation to reinforce e.g. an (angle) bracket ...
5
votes
3answers
391 views

The shape of lightning

Is there any word to describe something that has lightning/tree/vein like structure? Edit: I forgot to mention that I'd prefer a word that emphasizes the random nature of these structures. Otherwise ...
8
votes
2answers
822 views

What are the proper terms for these star shapes?

Both figures are star pentagrams. But as you can see, the shapes are different due to the degree in the angles. Are there proper terms for these two shapes? I find myself having a hard time ...