![London](../img/North-Bank-London-Pano.jpg)
Resources
Artwork Guide
Not sure about crop marks, bleed or a safe zone? This simple guide will help you to set up your artwork correctly.
![Artwork Guide](../img/blog/crop-marks.png)
About Colour
Do you know your CMYK from your RGB? This helpful post will help you understand all you need to know about colour for digital and print production.
![About Colour](../img/blog/About Colour.png)
About Images
Do you know the difference between 72dpi and 300dpi, how should you optimise images for print, and should you save files as JPEG or TIFF?
![About Images](../img/blog/A2O - Images 1.jpg)
About Size
Find out all you need to know about paper size, and making sure your envelope stands out from the crowd for all the right reasons.
![About Paper Size](../img/blog/A2O - Paper.jpeg)
Leaflet Folding Guide
Single, roll, gate or concertina - confused? Well don't be! Read our guide to leaflet folding.
![Folding Guide](../img/blog/Leaflet-Folding-Guide.jpg)