Reply To: What if my highest multires level is not close to yours in the video (~14 million polygons)?

Oh, this is an interesting research!

Here, I want to make sure that I understand what you said:

Just make sure you utilize “safer” tools like cutting new edge loops and sliding components.

The base mesh must be formed by thousands of quads (instead of triangles). Then to increase the resolution, do I enter into the Edit mode and press “Ctrl + r” to add loop cuts upon the already-retopologized model? Do I understand correctly please? 

But in some case, triangles are used for retopologization, since the following answer said:

Quote:

“any mesh is actually converted to triangles at the lowest level for rendering.” 

https://blender.stackexchange.com/questions/99369/i-thought-you-should-never-use-triangles

Do I still use “Ctrl + r” to add loop cuts in the triangular case please?

Mathematically the above situation (7M at level 5 and 28M at level 6) means the base mesh is roughly double the polycount as the one demonstrated in the course: 6K instead of 3K (after mirror mod is applied).

If the base mesh is 3K, then

Level 0: 3K = 3K

Level 1: 3K X 4 = 12K

Level 2: 12K X 4 = 48K

Level 3: 48K X 4 = 192K

Level 4: 192K X 4 = 768K 

Level 5: 768K X 4 = 3072K = 3.072M

Level 6: 3072K X 4 = 12288K = 12.288M

If the base mesh is 6K, then

Level 0: 6K = 6K

Level 1: 6K X 4 = 24K

Level 2: 24K X 4 = 96K

Level 3: 96K X 4 = 384K

Level 4: 384K X 4 = 1536K 

Level 5: 1536K X 4 = 6144K = 6.144M

Level 6: 6144K X 4 = 24576K = 24.576M

Are those a correct estimation please? 

Thank you!

P.S.  I find that adding computer memory is very helpful to handle high-poly mesh (e.g. 100 M polys). 32 GB memory is the minimum, 64 GB is great, 128 GB is ideal.