Portion Effect: Split One Image Into a 3D Composition That Answers the Hover

October 23, 2026
·
Shahidul Islam
Portion effect splitting one image into angled 3D panels

Every agency site eventually needs a hero image that is not a rectangle. The usual answers are a collage built from five separate crops, or a designer’s mockup that nobody can update without reopening the source file. Both cost real time, and both break the first time somebody swaps the photograph.

The portion effect takes the opposite route. You give it one image. It builds the composition out of that single file: a set of blocks, angled in perspective, each showing its own slice of the picture. Change the image and the whole arrangement updates, because there was only ever one image to change.

It is a widget in the free Sky Addons plugin, and it arrives with a staggered entrance animation and eight hover styles already built.

Portion effect splitting an interior photograph into angled panels
One interior photograph split into three angled panels, after the entrance animation has finished

Where a portion effect fits

  • An agency or studio hero. The composition says “we design things” before a word is read, and it costs one upload.
  • A photographer’s landing page. The blocks fold one photograph into a display piece rather than a plain full bleed.
  • A product launch section. One packshot becomes a fanned arrangement that suits a headline sitting beside it.
  • An architecture or interiors page. Angled panels echo the subject, and the perspective controls let you match the angle in the photograph.
  • A course or event page. The staggered entrance gives the section a reason to be scrolled to rather than past.
  • A portfolio tile inside a grid. At a smaller size the effect reads as a well-made card, not a gimmick.

Why it beats the usual approach

Hand-built collageStatic mockup imagePortion effect
Images to prepareOne per panelOne flattened exportOne
Swapping the pictureRe-crop every panelRebuild in the source fileChange one media control
Entrance animationBuild per elementNoneBuilt in, staggered
Hover responseBuild per elementNoneEight styles
Responsive controlPer panel, by handScales as one flat imagePer block, per breakpoint

The collage row is the honest comparison. It is what most people build when they want this look, and it is why the look usually survives exactly one content update.

The features that matter

One image drives every block. The widget injects the chosen picture onto each panel, so the blocks read as pieces of a whole rather than a row of unrelated thumbnails.

Presets give you a starting arrangement. Each block in the repeater takes a preset: auto, left-small, centre-large, right-small, far-left or far-right. The presets deliberately sit at a lower specificity than the sliders, so anything you set by hand always wins.

Every block has its own position and size, per breakpoint. Height, width, top and left are responsive sliders on each repeater item. A composition that works at 1440 pixels can be rearranged rather than merely shrunk on a phone.

The entrance is staggered, not simultaneous. Panel cascade runs 0 to 500 milliseconds in steps of 25 and defaults to 150, so the blocks arrive one after another. Speed covers 100 to 3000 milliseconds and defaults to 600.

It waits until the section is actually on screen. The entrance watches visibility and fires at a threshold you set, 0 to 100 percent, defaulting to 40. There is an option to repeat it every time the section returns to view, or to play it once.

Eight hover styles, one dropdown. Float, unfold, zoom, spread, swing, tilt, shutter and lean. Lift amount is a separate responsive slider, 0 to 40 pixels, so the same style can be a whisper or a jump.

Portion effect arrangements built from one source image
Left: narrow outer panels around a wide centre. Right: a taller centre block and a warmer source image

How to build it

  1. Drop the widget in and choose the image. Everything else is arrangement, so pick the photograph first.
  2. Open block list and add blocks. Three is the classic split: a small left, a large centre and a small right.
  3. Give each block a preset, then adjust height, width, top and left until the composition reads. Work at desktop width first.
  4. Open the Style tab and set the angle between 30 and 50 degrees, then the left panel width and its rotation between 50 and 70 degrees. These three decide whether the piece looks folded or fanned.
  5. Back in Animation Settings, set Speed, Panel Cascade and Motion Style. Lower the threshold if the section sits low in a long page.
  6. Turn Enable Hover on, pick a Hover Style, and set Lift Amount. Then switch to tablet and phone and reposition the blocks rather than accepting the scaled-down desktop layout.

Why it works

The composition is CSS perspective applied to real elements, not a baked image. That means the panels stay sharp at any display density, the text beside them keeps its own flow, and the whole thing weighs whatever your single photograph weighs.

The entrance animation is driven by visibility rather than a timer, so a visitor who lands halfway down the page does not arrive after the animation has already finished playing to nobody.

A collage built from five crops is a design decision you have to re-make every time the content changes. A composition built from one image is a design decision you make once.

The hover styles are class-driven rather than per-instance JavaScript, which is why switching from float to shutter is a dropdown change and not a rebuild.

The style controls are worth a slower pass than the animation ones. The angle slider runs between 30 and 50 degrees and sets the perspective the whole piece is built on. The left panel has its own width and its own rotation, between 50 and 70 degrees, plus a brightness control that can push the outer blocks back into shadow. Those four values are what separate a composition that looks folded from one that looks fanned out, and they are the ones to settle before you spend time positioning blocks.

Getting it right

  • Choose an image with a clear subject and room around it. Every block shows a different slice, so a tightly cropped photograph gives you several panels of the same elbow.
  • Set the aspect first. The portion height control sets the working area. Fix it before positioning blocks, or every block moves when you change it.
  • Three to five blocks. Two rarely reads as a composition. Seven reads as noise, and each one costs another set of responsive values to maintain.
  • Match the angle to the picture. If the photograph already has a strong diagonal, an angle that fights it looks like a mistake rather than a style.
  • Test the hover with a slow pointer. Spread and shutter move the most, and on a dense composition they can cross into each other’s space.
  • Rebuild the layout on phone, do not scale it. The per-breakpoint sliders exist because a five-panel desktop fan should usually become two panels on a phone.
Portion effect at a stronger angle with a wider left panel
On a phone the blocks are repositioned rather than scaled, using their own breakpoint values

What else it can carry

The widget is not limited to a hero. At a reduced portion height it works inside a two-column row, with copy on one side and the composition on the other, which suits a feature block halfway down a service page.

It also works as a section divider. A wide, short arrangement with a low lift amount and the float hover style gives a band of movement between two text-heavy sections without introducing a new colour or a new heading.

If you are building a gallery-led page, the portion effect pairs naturally with the widgets that handle the rest of the set. An image stack can carry the sequence while the portion effect carries the single statement image, and a showcase wall can take the long tail of work underneath.

Portion effect shown on a phone screen
Four blocks instead of three, with the box shadow control giving the panels depth

Portion effect: common questions

Is the portion effect free?

Yes. It is a widget in the free Sky Addons plugin, and the presets, the responsive block controls, the entrance animation and all eight hover styles are in the free version.

Does it need another plugin?

No. Elementor and Sky Addons are enough. There is no image editing step and no separate animation library to install.

Will it slow the page down?

It loads one image and animates real elements with transforms, which is the cheap kind of animation for a browser. A hand-built collage of five crops downloads five images to do less.

Does it work on mobile?

Yes, and it should be rearranged there rather than scaled. Height, width, top and left are all responsive, so the phone layout can use fewer, larger blocks.

Can I use a different image per block?

No. The widget is built around one source image shared across the blocks, which is exactly what makes it survive a content change. For genuinely different pictures per panel, a gallery widget is the right tool.

The short version

The portion effect turns one photograph into an angled, multi-panel composition with a staggered entrance and a choice of eight hover styles. Every block has its own size and position at every breakpoint, and swapping the picture updates the whole arrangement. It is free.

Build it

See it running on the Portion Effect demo, then read the control reference in the Portion Effect documentation. It is part of the free plugin: see what else is in the box on the free versus Pro page, and the full plans on pricing.

Written by
Shahidul Islam
Writes about the work behind the widgets — what shipped, why, and what it cost.
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