How the Prism Print Is Drawn, and What the Details Mean

There is a pattern we keep noticing in the questions readers send about Prism. They ask which disc is on top, as if the composition were a stack of coloured paper. It is not. Prism is drawn by code from a deterministic seed, and the overlaps are not layered — they are mixed, additively, so that where two translucent discs cross a genuinely third colour appears on a warm ground. That single decision, made once in the generator and repeated every time the seed runs, is what the print is actually about. The rest of this piece is what those details mean.

The Discs Are Not Decoration, They Are the Argument

There is a habit, in writing about geometric prints, of treating the shapes as ornament and the palette as the message. With Prism the reverse is true. The discs are the argument. Everything the print says about colour, transparency and additive mixing has to be carried by circles because circles are the only form in the piece — no bars, no diagonals, no grid to lean against. If the circles fail as a compositional device, nothing else can rescue the image.

Circles carry a particular weight in the Bauhaus tradition. In the preliminary course the three primary forms — triangle, square and circle — were paired with three primary colours and asked to justify the pairing. The circle got blue in Kandinsky's account because the circle was read as calm, cosmic, infinite: a form with no beginning and no edge to catch the eye. That reading is one answer among several, and the school never fully agreed on it. What matters for Prism is that the circle was treated as a shape strong enough to hold a colour claim on its own. We inherit that treatment. We do not decorate our circles; we ask them to argue.

The second reason the discs matter more than they look is that a disc, unlike a triangle or a square, has no orientation. Rotate it and nothing changes. That means every compositional decision in Prism has to come from position, size, and overlap — never from angle. This is a discipline the seed enforces automatically: the generator can vary where a disc sits and how large it is, but there is no rotation parameter to hide behind. When a Prism composition works, it works because the placements are right, not because a clever tilt is doing the emotional labour. And when a composition does not work, the failure is nakedly visible. The discs cannot mask a bad decision by leaning into it.

Where Two Colours Cross, a Third One Is Born

The centre of the Prism argument is what happens in the overlap. Most readers, on first look, assume the discs are opaque and simply stacked, the way collage works — one paper on top of another, the top colour winning. Prism does the opposite. Each disc is translucent, and where two discs cross the generator does not choose a winner. It mixes. A red and a yellow, in the overlap, become an orange that neither disc contains on its own. That third colour is genuinely present in the image; it is not implied, it is drawn.

This is additive colour behaviour, and it is one of the oldest teaching demonstrations in modernist colour theory. The preliminary course spent weeks on it because it is the kind of fact that reads as obvious in the abstract and becomes strange the moment students are asked to predict what two specific translucent colours will produce when they cross. Predictions fail. Muscle memory from opaque paint fails. What the eye actually receives when two coloured lights or two translucent films overlap is not what the beginner's intuition offers. Prism is, among other things, a print of that gap between intuition and observation.

The consequence for the composition is that the overlap regions are the loudest parts of the image, even though they are the smallest. A viewer's eye reliably lands on the third colour first — the orange between the red and the yellow, the violet between the red and the blue — because it is the only region in the print doing something the eye cannot immediately explain. The uncrossed disc interiors are calmer. The ground is calmer still. The generator uses that hierarchy deliberately: overlaps carry the argument, discs carry the palette, the ground carries the mood.

A disc has no orientation, so every decision has to come from position, size and overlap — the seed cannot hide a bad choice behind a clever tilt.

The Warm Ground Is Doing More Work Than You Think

The ground of a Prism print is warm — closer to a pale ochre or an unbleached paper than to a clinical white — and this choice is not cosmetic. It is doing three specific jobs at once, and any one of them would justify the decision. Taken together, they explain why we resist requests to reissue Prism on a cool white ground even when the request is polite and repeated.

The first job is contrast management. A pure white ground pushes translucent colours into looking bleached, because the ground reads as brighter than the colour on top of it. Warmth in the ground pulls the perceived brightness of the ground down a notch, which lets the translucent discs recover their saturation. Reds look redder against warm paper. Blues cool by contrast rather than dissolve. The trick is old — printmakers have used tinted grounds for centuries for exactly this reason — and it applies to a generative composition as literally as to a woodcut.

The second job is emotional register. A cool white ground reads as laboratory, showroom, spec sheet. A warm ground reads as room, wall, page. Prism is meant to hang in a home, not in a datasheet, and the ground carries that meaning before the viewer has consciously registered any of the geometry. This is not sentiment; it is the same logic that made the Bauhaus workshops care about paper stock and wall paint. The surroundings of a form are part of the form.

The third job is historical. The Bauhaus painters and printers who worked on colour, from Itten through Albers, almost never used pure white as a working ground when the point of the exercise was to see how colours behaved. Pure white was for measurement. Tinted paper was for teaching and for the finished object. Our warm ground is a small quiet acknowledgement of that lineage. It does not need to be explained on the print. It only needs to do the work.

What the Seed Decides, and What We Still Decide By Hand

Prism is generative, which means a deterministic seed produces the composition. Given the same seed, the same set of discs appear in the same positions at the same sizes with the same translucencies, forever. This is what makes each edition reproducible and each variation genuinely a variation rather than a mood. But readers sometimes assume, from the word generative, that the studio pressed a button and accepted whatever fell out. That is not how Prism was made and not how any of our compositions are made.

The seed decides the geometry — where each disc sits, how big it is, which other discs it crosses. The seed does not decide the palette. The palette is chosen by hand, tested against the warm ground, tested again in the overlaps, and locked before the seed runs. If the overlap between a chosen red and a chosen yellow produces an orange we do not want, the palette changes. The seed keeps running the same geometry until the palette is right. The relationship is closer to a printmaker choosing inks for a fixed plate than to a slot machine.

The seed also does not decide when a composition is worth releasing. Most runs are discarded. The generator will happily produce a Prism where two discs overlap in a way that produces a muddy third colour, or where a disc sits so close to the edge that the composition loses its centre of gravity. Those runs are seen and rejected in the studio, not published. What we release is the small share of seeds that survive the same reading a Bauhaus preliminary student would have been asked to give a piece of paper: does the form justify itself, does the colour behave, does the ground hold. If any of those answers is no, the seed does not become a print.

There is a fourth decision the seed does not make, and it is the one we take most seriously. The seed does not decide what the print is for. Prism is not a wallpaper motif and not a screen background. It is a composition intended to be printed at scale, framed, and lived with, which means the piece is finished at the moment it hangs on a real wall and is looked at across a room in real light. If you would like to see the current Prism editions in their finished form, they are in the shop. Everything else — the discs, the overlaps, the ground, the seed — is preparation for that final decision, which belongs to the room, not to us.

FAQ

Why are the discs in Prism translucent instead of opaque?

Translucency is what makes the overlaps produce a third colour. If the discs were opaque, an overlap would simply hide one disc behind another and the print would collapse into a collage of full-strength shapes. Translucency lets the generator carry an argument about additive colour behaviour — the same behaviour the Bauhaus preliminary course spent weeks teaching. The overlap regions are the loudest parts of the composition precisely because the discs are transparent enough to mix rather than stack.

What does "generated from a deterministic seed" actually mean for the print?

It means the composition is not random in the sense of unrepeatable. Given the same seed value, the generator will produce the same discs in the same positions at the same sizes every time it runs. That is what makes each Prism edition genuinely reproducible and what allows us to release specific variations as distinct compositions rather than as one-off outputs. The seed is closer to a printing plate than to a dice roll.

Is Prism a copy of a historical Bauhaus painting?

No. Prism is an original composition made in the Bauhaus tradition, not a reproduction of any specific painting by Kandinsky, Albers, or any other teacher associated with the school. The tradition we work from is the preliminary course's treatment of the circle as a primary form and its teaching on additive colour behaviour. Prism inherits that vocabulary, but the composition itself is drawn by our generator from a seed we chose.

Why is the ground warm instead of pure white?

A warm ground does three jobs at once. It manages contrast so the translucent colours keep their saturation instead of looking bleached, it sets an emotional register closer to a lived-in room than a laboratory, and it echoes a printmaking tradition older than the Bauhaus of tinting the working ground when the point of the piece is to see how colours behave. Pure white pushes the image toward the datasheet register we want the print to avoid.

How are the palette colours chosen if the seed handles the geometry?

Palette and geometry are separate decisions. The seed decides where the discs sit, how large they are, and which discs cross. The palette is chosen by hand and tested against the warm ground and against the overlaps before the seed is locked. If a given red and a given yellow produce a muddy orange in the overlap, the palette is revised until the third colour is one we are willing to publish. The seed does not select colour.

Do all seed runs become released prints?

No. Most runs are discarded in the studio. The generator will happily produce compositions where an overlap is muddy, where a disc drifts too close to the edge, or where the balance between overlap and empty ground is wrong. Those runs are seen and rejected the same way a preliminary course student's exercise would have been read: does the form justify itself, does the colour behave, does the ground hold. Only seeds that survive that reading are released.

Which disc is "on top" in the overlap regions?

None. The premise of the question does not apply to Prism, because the overlap is not a stacking event. Each disc is translucent, and where two discs cross the generator draws a genuinely third colour rather than choosing a winning layer. There is no top disc and no bottom disc in the overlap — there is a new region with its own colour, produced by the two contributing discs behaving additively.

Can I request a custom seed or a custom palette for Prism?

The compositions we release are the ones that survived the studio's own reading, and custom seeds fall outside that process — a bespoke run would bypass the discipline that decides which seeds become prints. The released Prism editions and their variations are visible in the shop; if the question is which of the existing variations best suits a specific wall, that is a conversation we are glad to have on the strength of the compositions already published.