Affinity Photo – Combining Multiple Selections Into One Mask Using Spare Channel

Affinity Photo 1.7.0 on MacBook. Goal: Create initial Selection, save to Mask; then come back and add more selections to the existing Mask. The following notes reflect how I used Spare Channel to pack multiple selections into one Mask. It’s probably not the best way to combine multiple selections into one Mask, but it’s the…

Affinity Photo – Cut Out An Image & Re-select Selection

(Version 1.7.0): After following instructions from Affinity Photo: Extract/Cut Out an Image and Selection with the Selection Brush in Affinity Photo, under Refine Selection I chose Output > New Layer with Mask. OK, but now how do I re-select the selection (that I turned into a Mask) to edit the Mask further? Two options: Click…