3d sketches

[pallid dirge]

doing t.madas advanced papers, nothings too bad until i get to 3d sketches, i have no issue with the points, but when it comes to drawing and the actual sketch i manage to fail spectacularly and struggle with the visualisation, how can i improve this? For example a question like this, i can draw the plane showing the z,y axis, z,x axis and x,y axis, but whenit comes to showing all 3 axises i struggle immensely

[south sapphire]

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[south sapphire]

@pallid dirge

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[restive bramble]

Usually you’d want to know some forms like ( elliptic, hyperbolic paraboloid, cone, ellipsioid, hyperboloid of one sheet and two sheets) but what you can do is look at the xy plane, yz plane and xz plane

[south sapphire]

@restive bramble The user still needs help with this help request.

[pallid dirge]

I understand this

But leike

like

this part with the contour profiles is fine

but then when drawing all 3 axises i would probably achieve barely any marks

this is what its meant to look like in 3d

but i genuinely do not have the artistic talent to do it

[restive bramble]

Well, same here. But really it takes quite a bit of practice to get better at drawing these stuff

You’ill find it easier after doing practice problems. But usually you’re going to work with quadric surfaces you already know so you just need to know which form it is from the equation