Here's a quick and easy way to create a variable-detail art effect that looks something like a wood-cut picture. It simply uses the Band-pass Mask, with a fill layer beneath to give a background colour.
For related videos, see here: http://changingminds.org/disciplines/photography/affinity_photo/youtube_videos/875_60s_woodcut_art_effect.htm#see
There are now online pages for InAffinity here: https://changingminds.org/disciplines/photography/affinity_photo/affinity_photo.htm
Free resources, including macros, palettes, etc. are here:
https://changingminds.org/disciplines/photography/affinity_photo/resources/resources.htm
If you are a beginner, start here:
https://changingminds.org/disciplines/photography/affinity_photo/categories/ap_categories_beginners.htm
There is a full, cross-referenced index for every video here: https://changingminds.org/disciplines/photography/affinity_photo/inaffinity_video_index.htm
To find videos by date of publication, start here: https://changingminds.org/disciplines/photography/affinity_photo/ap_time-sorted.htm
To find videos by subject, start here: https://changingminds.org/disciplines/photography/affinity_photo/categories/ap_categories_alphabetic.htm
The web page for this video is here: http://changingminds.org/disciplines/photography/affinity_photo/youtube_videos/875_60s_woodcut_art_effect.htm
