An outlined linear cube and a circle inside.

Outlined Cube With Circle Inside

An irregular solid with a linear outline.

Outlined Solid Shape

A simple linear icon of an empty shopping cart.

A rectangular drawing or painting of an outlined leaf.

A rectangular abstract painting or drawing with curved thick lines.

A rectangular picture, drawing or painting of a large leaf.

A pen holder full of drawing tools, such as a ruler, pens and pencils.

A blackboard with science elements drawn on it, such as a DNA chain, a chemistry formula, a Venn diagram and molecules.

A linear square root icon inside a rounded square.

A linear shopping cart icon with a dollar sign on it.

An outline, drawing or icon of a swimming fish. 

Handwritten notes or a diagram with various circles and numbers, as if it had been drawn during a brainstorming session.

A rectangular frame with a painting or drawing of a three-colored circle.

A group of many parallel graphic, thin, straight rounded lines and shapes.

A linear or outlined happy face icon with a big open-mouth smile.

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.