To modify the model, you can open the ".blend" file in Blender.

This model is available in the ".glb" format as well.

This model has such materials with the following 4K textures:

1) MI_PlasticEggshell01Black

T_PlasticGlossy01Orange_BC.png

T_PlasticGlossy01Orange_MT.png

T_PlasticGlossy01Orange_N.png

T_PlasticGlossy01Orange_R.png

T_PlasticGlossy01Orange_AO.png

2) MI_PlasticEggshell01HospitalGreen

T_PlasticMatte01Blue_BC.png

T_PlasticMatte01Blue_MT.png

T_PlasticMatte01Blue_N.png

T_PlasticMatte01Blue_R.png

T_PlasticMatte01Blue_AO.png

3) MI_PlasticEggshell01Black

T_PlasticMatte01_BC.png

T_PlasticMatte01_MT.png

T_PlasticMatte01_N.png

T_PlasticMatte01_R.png

T_PlasticMatte01_AO.png