Bonjour,J'ai appliqué vos consignes

Bonjour,
J'ai appliqué vos consignes mais le résultat est de très mauvaise qualité.
Que dois-je faire pour que le rendu 3D soit de bonne qualité ?

Results (English) 1:

HelloI applied your instructions but the result is of very poor quality.What should I do to make the 3D rendering of good quality?

Results (English) 2:

Hello,
I applied your instructions but the result is very poor.
What should I do to make the 3D rendering is of good quality?

Results (English) 3:

good morning,i have followed your instructions, but the outcome is very poor.what do i gotta do to make the 3d is of good quality.