Textures

For texturing, I used Substance Painter to paint on the models I created.

Phone

The phone texture was simple: I painted everything shown. I kept the roughness fairly low to make it shiny and also left the metallic channel visible for the sides of the phone.

Burette Pipe

The burette pipe is made up of multiple texture sets: glass, rubber, plastic, and metal. The hardest part of the object was the glass, which I created by following a tutorial. I had to go into the shader settings and change the original setting I had on the glass texture set to pbr-roughness with alpha blending (originally just pbr-roughness). I then added a new channel to the set: opacity. This allowed me to make the mesh transparent. As for the rest of the textures, I just messed with the roughness of the fill layers. I did use smart materials for both the plastic and rubber texture set since I was not sure how to go about making them. I did add grunge and brushstrokes on top of the smart materials and even lowered the opacity on some of the layers.

Muffin

To create the bumps on the muffin I added a normal map and then turned down the opacity because it was too strong. I also changed the roughness of the muffin top a bit high since muffins are not shiny. I did lower the roughness on the chocolate chips. The textures were created in one texture set with the help of white and black masks blocking out each part.