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4
votes
2answers
86 views

What will you call this octagonal shape?

Let's say that this image (assume if it has eight sides, if not already)- is placed on top of this image (an octagonal prism) - What will the resulting shape be called ?
6
votes
4answers
234 views

What's the word for the small square indicating a right angle in a geometric figure?

I'm talking about something in geometry notation and/or drafting, I think. It's the mini right-angle shape you can draw within an angle to indicate that it's ninety degrees. E.g., the mark denoting ...
5
votes
2answers
125 views

How to call the two distinct points on a heart-shaped curve

A heart shape as it is usually drawn (♥) consists of two smooth curve segments which join at two points, one at the top and one at the bottom. What is the most concise way to refer to these points? I ...
8
votes
3answers
1k 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 ...
1
vote
1answer
118 views

A word or phrase for this (unusual) geometric form/pattern [closed]

How can I describe this image? I need a word that can describe this image. It does have to be square. I am looking for a unique word or maybe a word I just have not thought of. How could one ...
1
vote
3answers
94 views

How to name the diagonals of a square so one can be told from the other?

A square has two diagonals, so how can I to name the separate diagonals if I want to distinguish one from another? I mean something like the up to down diagonal and the down to up diagonal. Do you ...
2
votes
2answers
195 views

What do you call the intersection of a rectangle and a circle?

The intersection of two rectangles is called a corner, but is there a word for the intersection of a rectangle and a circle? Is it still a corner? This picture I made probably explains it better: ...
14
votes
11answers
7k 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
598 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
394 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
504 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
515 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 ...