The stag is a longstanding symbol of nobility, regeneration and connection to the natural world, and Celtic knotwork traditionally represents the interwoven nature of life, faith or eternity with no clear beginning or end. Combined here, the design reads as a guardian or spirit-animal figure rather than a literal reference to any single myth. People choose it for its association with strength, dignity and a sense of ancestral or nature-based identity.
Where it sits
This is a tall, symmetrical composition with the antlers spreading wide at the top, so it suits the back, chest or a full forearm where that vertical spread and central sunburst have room to breathe. Shrinking it down would blur the knotwork lines within the antlers and body first, since those are the most densely packed areas. A large back piece or thigh panel would preserve the linework best.
Making it yours
Ask an artist for any of these.