3D Illustration: Creating Isometric Designs in Adobe Illustrator
DKNG Studios · Design + Illustration
Two working illustrators show, cube by cube, how to fake convincing 3D depth in Illustrator without touching a single vanishing point or 3D modeling program.
A system, not a trick
The core promise of this class is that isometric illustration is a method, not a talent, and the lesson plan backs that up. DKNG Studios opens by defining the style plainly: a circle divided into three equal 120-degree angles, producing a flat-looking but convincingly dimensional top, left, and right face on every object. From there the course insists on paper before pixels. Students get a printed grid template and are walked through sketching a full city block by hand, starting with a plain cube and pushing and pulling its corners into a tapered skyscraper, a two-tiered building with a rounded facade, a boat, a car, and a lighthouse. This sketch stage is not a formality. It sets up the placement, scale, and overlap decisions that make the later software work fast instead of improvised.
The lighting lesson is the class's best piece of teaching. Rather than asserting a rule, the instructors physically rotate a lit cube on camera to show how a highlight, a midtone, a shadow, and a cast shadow appear and shift as the light source moves. That demonstration converts an abstract idea into something a student can immediately replicate with a sun icon and three flat colors on their own sketch, and it pays off constantly through the rest of the course as buildings, trees, and the lighthouse all get judged against the same rule.
Where the software work earns its keep
The middle stretch is a tools tour, but a purposeful one. Building the isometric grid and customizing cubes with the white arrow and lasso tools is presented as the foundation skill, since nearly everything downstream is a variation on reshaping that base cube. The 3D Extrude tool gets the most attention, turning a hand-drawn car silhouette or a boat profile into a dimensional object with a single isometric-position setting, and the class is honest that this tool creates messy leftover shapes that need manual cleanup with the Divide and Merge pathfinder commands. The Reflect tool section is a small but genuinely useful insight: because an isometric cube is symmetrical, a row of windows built on one facade can be mirrored onto the opposite side without redrawing any angles, and the Blend tool then lets that row expand or contract to fit a resized building just by changing step counts. The Revolve tool section, used to spin a half-profile into the cylindrical lighthouse, is the most visually satisfying payoff in the class and the clearest proof that the isometric approach scales up to genuinely complex forms.
The final stretch pulls everything into one composition, with both instructors reviewing the file together and flagging aesthetic judgment calls, like shortening a shadow that reads as too long even though the math says otherwise. Real client examples, including a 40-foot brewery mural and a hand-painted San Francisco wall, ground the exercise in actual commercial use rather than a purely academic drill.
Where it falls short
The pace is brisk. Menu paths and pathfinder operations move quickly enough that anyone shaky on Illustrator's basics will need to pause and rewind often, and the class assumes familiarity with global swatches, layers, and alignment panels rather than teaching them from zero. The organic elements, the coastline and trees, get comparatively little technical depth next to the buildings and vehicles, so students hoping for guidance on natural shapes will find less to hold onto. None of that undercuts the central lesson, though: by the end, a genuinely complex-looking illustration has been built from nothing more exotic than cubes, a light source, and a handful of Illustrator tools used deliberately.
The standout
Using the 3D Revolve effect on half a cylindrical profile, set to the isometric-left position, to construct a fully dimensional lighthouse from a single flat side view.
What you will learn
- How to build and read an isometric grid based on three 120-degree angles instead of true perspective math
- How to plan a scene on paper first, using a printed isometric grid template to block out buildings, roads, and objects before opening Illustrator
- How to establish a consistent light source and apply the resulting three-tone system (highlight, midtone, shadow) plus cast shadows to every object
- How to use the 3D Extrude, 3D Revolve, Reflect, and Blend tools to turn flat facades into dimensional buildings, vehicles, and rounded objects like a lighthouse
- How to build and manage a reusable global color palette so an entire illustration's color scheme can be swapped in seconds
- How to assemble individual pieces into one cohesive composition and prep it for a real client deliverable, from a printed wallpaper mural to hand-painted wall art
Best for: Intermediate Illustrator users who already know basic vector tools and want a repeatable system for geometric 3D-style illustration without learning true 3D software.
Skip it if: Complete beginners to Illustrator, since the class moves quickly through tool menus and pathfinder operations and assumes comfort with the pen and white arrow tools already.