Digital Artists

A Short Film That Builds a Coffee Machine Out of Its Own Technical Drawing

Exploded assembly diagrams as narrative device — the engineering document animated into the object it describes.

Technical illustration is one of the most rigorous visual traditions there is and one of the least used in motion work. Exploded assembly views, section cuts, leader lines, orthographic projections, parts numbered to a bill of materials — a visual language developed over a century to communicate how a thing goes together, with conventions as tight as a typeface’s.

A short film circulating via 80 Level this week rebuilds a coffee machine from its technical drawing, and the form deserves more attention than it gets.

Why the format works

The appeal is not nostalgia for blueprints. It is that an exploded view is already a narrative.

A conventional exploded diagram shows every component displaced along its assembly axis, in the order it goes together, connected by implied motion lines. That is a sequence rendered as a single still image — the drawing is a frozen animation, and it has been since the convention was formalised.

Animating it is not adding motion to a static thing. It is playing back something the drawing already encodes. Which is why these pieces feel inevitable rather than decorative when they are done well, and why the format has such a high floor.

Three things it gives you for free:

A guaranteed structure. Assembly order is determined by the object. You do not have to invent a sequence; you have to find the one the engineering implies. For anyone who struggles with narrative in abstract motion work, that is an enormous gift.

Legitimacy of detail. Every chamfer, fastener and tolerance in a technical drawing is there for a reason. Animating a real mechanism means the detail is load-bearing rather than greebling, and audiences can feel the difference even without knowing what they are looking at.

A domestic object made strange. A coffee machine is the correct choice precisely because it is boring. Everyone has one, nobody has thought about the pump, the thermoblock, the portafilter geometry, the pressure relief. Showing the inside of something mundane is reliably more compelling than showing the inside of something exotic.

How you would actually make one

This is unusually achievable with standard tooling, and worth laying out because the barrier is lower than it looks.

Start from real CAD if you can. GrabCAD, Thingiverse and manufacturer sites host enormous numbers of real mechanical assemblies as STEP files. A STEP import preserves the assembly hierarchy — parts, sub-assemblies, and their relationships — which is exactly the structure you need to animate. Modelling an accurate mechanism from scratch is weeks; importing one is minutes.

Fusion 360, Onshape and SolidWorks all generate exploded views natively, and most will export the explosion as an animation. That is frequently enough on its own, and it is where to start before building anything bespoke.

For art-directed work, bring it into Blender or Houdini. The CAD tools give you correct motion and ugly rendering; a DCC gives you control over timing, easing, depth of field, materials and camera. The pipeline is: STEP → CAD for assembly logic → export per-part transforms or FBX → DCC for look.

Keep the drawing conventions. This is the thing that separates a good one from a generic product animation. Leader lines that track their parts. Part numbers that persist. Orthographic camera for at least some shots — a technical drawing is orthographic, and a perspective camera immediately reads as advertising rather than documentation. Line work over or instead of shading, which in Blender means Freestyle or Grease Pencil line art, and in Houdini means a toon/line setup.

And resist colour. Technical illustration is monochrome or near-monochrome with one accent, and the restraint is why it reads as authoritative.

The lineage worth knowing

If this is territory you want to work in, the references are deep and mostly pre-digital.

Patent drawings are the foundational corpus — millions of them, public domain, with a legally mandated visual grammar. Soviet and mid-century technical illustration is the aesthetic a lot of contemporary work is reaching for. Haynes manuals standardised the exploded automotive view for a mass audience. Stephen Biesty’s cutaway books taught a generation what a section drawing could do narratively. And Kenneth Snelson’s and Charles Eames’ instincts about explaining structure visually sit behind all of it.

In motion specifically, the ancestor is the industrial film — the mid-century genre of corporate and educational films explaining how things work, which is where exploded animation first moved.