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Design debugging

Developers typically split the task of finding issues from building a project for wider release. These modes are often called debug and release. I think designers should take a similar approach.


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Interaction density

Professional apps are often “pro”, because they offer quick access to many abilities. A wide and tall interface, with common actions immediately available. Visually daunting for newcomers, but fast for those who rely on them.


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1px is not enough

The image below tells an interesting story. It is only a small interface fragment, but with careful inspection, so much can be known about it.

OS X toolbar and button


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My icon design workflow

Here’s some tips for creating icons — anything from a single colour pictogram to a highly detailed app icon.


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Why Skala won’t have artboards

Since publishing a progress update, quite a few people have asked for more details on why we think artboards aren’t a good fit for Skala.


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Blend if

The icon below is simple. Simple, but difficult to construct in most design tools, while maintaining the ability to scale for different pixel densities.

A simple icon



Design debugging

Interaction density

1px is not enough

Why I don’t use PDFs for iOS assets

Creating palettes with adjustment layers


Images and the OS X Color Picker

My app design workflow

My icon design workflow

Extracting colours with alpha

Device pixel density tests

Using Soulver for design

App Store description previewer

Just like print design

Using algebra to create paths

Sub-pixel text rendering

Pixels per inch is just a tag

Everything is a grid

Designing for Retina display

Designing for Retina display, part two


Why Skala won’t have artboards

Skala progress, December 2014


Magic tricks

Photoshop CC 2015 improvements

Photoshop’s gradient positioning

Adobe MAX 2014

Blend if

Photoshop Actions & Workflows

Colour management and UI design

2014: Smart Objects and Layer Comps

Gradient maps

Strokes in Photoshop CS6

Text in Photoshop CS6

Masking in Photoshop CS6

Vector shapes in Photoshop CS6

Layer tags

Smart Objects

Linked Smart Objects

Exporting from Photoshop

Pixel perfect rotation

Pixel perfect vector pasting

Pixel perfect vector nudging


Photoshop CS6 improvements

Scale Patterns to 100% script

Illustrator and app design

Photoshop roundrect roundup

How many layers are in my PSD?

Really old

Dissecting iTunes and App Store links

What if iChat was one window?

A new Drobo Dashboard icon

Photoshop CS6 wish list

What to do with all those extra pixels?

Noise and textures

PNG compression and iOS apps