In case you have Keyshot, on Keyshot cloud a library of MT materials is available allowing you to preview a large amount of textures.
Protolabs also provides some free injection molded samples relating to surface finishes.
In case you have Keyshot, on Keyshot cloud a library of MT materials is available allowing you to preview a large amount of textures.
Protolabs also provides some free injection molded samples relating to surface finishes.