How to avoid short wingspan in comparison to naturals

Does anyone have any idea how much over your height you would be lengthening to get a wingspan that looks like this?

https://imgur.com/a/SzVnULu

It's when compared to naturals that I'm concerned about looking like having toddler arms. Less than 5cm over should be fine?

I would estimate about 7 cm, he did a re-break to lengthen another 6 cm beyond what he is in that picture. His arms definitely look short to me after his second lengthening (14 cm total lengthening) https://www.instagram.com/p/DBYyAvktbuI/. He kind of reminds me of Sedat from LiveLifeTaller with a wingspan 13 cm over his height.

I think up to 10 cm over is generally not noticeable.

What did this guy to to his body?  That arm to body proportion is unbelievable.  Way overlengthened

I've looked at a couple dozen before after photos/video. People who did 6cm+ it's noticeable, their arms looks way too short in proportion to their height/build. I'm sorry but it looks odd. It depends on your wingspan if it's long then you could add up to 7cm but I wouldn't go further than that in total. Black people tend to have longer wingspan than other  races, there was this Black American guy who went from 5'5 to 6 and his would probably be the least noticeable but it's still noticeable. Even with LL there's still a limit on how much you can lengthen if you're not blessed with a long wingspan but if that doesn't bother you then ignore my opinion. Don't go above 6cm at most 6.5.

The best way to have proportional body is to calculate your arm length to body height ratio (ABR) and leg length to body height ratio (LBR). As long as your standard deviation (SD) value is within -1 and +1, you will look "OK".

SD      LBR       ABR
+3     0.565   0.549
+2     0.546   0.511
+1     0.529   0.477
 0      0.513   0.446
-1     0.498   0.418
-2     0.483   0.393
-3     0.469   0.370

how to measure your arm length: https://www.researchgate.net/figure/Pic1-Upper-Limb-length-UL-Defined-as-the-vertical-distance-between-the-acromion_fig1_354894811
how to measure your leg length: https://www.researchgate.net/figure/Pic3-Lower-Limb-LL-length-Defined-as-the-vertical-distance-between-a-standing_fig5_354894811
how to measure body height: https://www.researchgate.net/figure/Pic4-Stature-ST-Defined-as-the-vertical-distance-from-a-standing-surface-to-the-top_fig7_354894811

source: https://www.researchgate.net/publication/354894811_The_Human_Body_Proportions_in_the_Preoperative_planning_of_Stature_Increase_Surgery