Seeing the contact point on the object ball.

I wonder if many people are not versed in dimensional drawings, and so do not already "naturally" translate/connect 2D views to the real-world 3D setting. And, even when someone has that ability, no one ever mentions that the perspective change due to distance may or may not even occur to them--although, enough experience should burn that in, with the thought that the person's brain is actually learning without them being conscious of it!

There is also the oddity, in that we often have posts with top views, such as in this thread, and there are many with the equal-sized, juxtaposed balls that overlap (I will look for an example later), but I really never see them together. [I actually made some graphics with both together, back in the early 2000s, but I don't even know if I have the originals on a hard drive somewhere--and that's assuming they survived the house-dousing the fire department gifted me with last week....]
Drawing anything in paint is going to be a drawing challenge. You can simulate space of course:

CPG Ellipse60.jpg

but a CAD would be required to do it right.

Here's another Equal Angle Opposites drawing:
EAO.jpg





Depth perception should be developed in any pool player who is able. Injuries, errant genetics etc...
Still pool is doable in 2D especially working with CPG.

Seeing the contact point on the object ball.

@bbb

Really. You've seen the MSPaint circles. Pick a pocket line and go back to the cue ball.
Ok it does crack me up when pool noobs spend 2 minutes agonizing over the pocket line before walking back to the cue ball and then have no idea what they are shooting at and shoot anyway.

That's why the triangles and parallelograms. For the noobs, stick with the stick line. Pay attention to it before you shoot; compare, rinse, repeat...
I wonder if many people are not versed in dimensional drawings, and so do not already "naturally" translate/connect 2D views to the real-world 3D setting. And, even when someone has that ability, no one ever mentions that the perspective change due to distance may or may not even occur to them--although, enough experience should burn that in, with the thought that the person's brain is actually learning without them being conscious of it!

There is also the oddity, in that we often have posts with top views, such as in this thread, and there are many with the equal-sized, juxtaposed balls that overlap (I will look for an example later), but I really never see them together. [I actually made some graphics with both together, back in the early 2000s, but I don't even know if I have the originals on a hard drive somewhere--and that's assuming they survived the house-dousing the fire department gifted me with last week....]

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