Best model: SDXL and Flux for painterly concepts; anime models (Illustrious/Pony) for stylised characters.
A character concept is a design brief in prompt form: who they are, their silhouette and build, costume and materials (leather, brass, woven cloth), a colour story, and how it is presented — full-body, front view, neutral pose, clean background. Specify materials and the design reads as considered rather than generic.
For sheets, ask for a "character turnaround" or "full body, neutral A-pose, plain background" so the figure is usable as a reference rather than a one-off illustration.
Example prompts
Hit Open in Builder to drop any of these straight into the workspace, then tweak, weight and generate.
character concept art, full body, front view, neutral pose, a wandering desert alchemist, layered sand-worn robes, brass goggles, leather satchels, weathered materials, muted ochre and teal palette, plain background, painterly, highly detailed, design sheet
Negative: busy background, dynamic pose, cropped, lowres, blurry, extra limbs, deformed hands, watermark
concept art portrait of a young storm mage, asymmetric layered cloak, glowing rune embroidery, windswept hair, confident expression, dramatic rim light, cool blue palette, semi-realistic painterly rendering, clean background
Negative: flat lighting, generic, cluttered, lowres, deformed, extra fingers, watermark
Tips that actually move the needle
- Describe the silhouette and build first ("tall, lean", "stocky", "layered robes") — it is what makes a design readable.
- Call out materials explicitly: leather, brass, woven cloth, worn metal. Generic "armor" gives generic results.
- Give a colour story (two or three colours) instead of letting the model pick — it unifies the design.
- For reference sheets, ask for "full body, front view, neutral pose, plain background"; for a hero shot, add drama.
- Pick a render style cue ("painterly concept art", "semi-realistic") and match it to your model.
Frequently asked questions
How do I prompt a character turnaround sheet?▾
Ask for "character concept art, full body, front view, neutral pose, plain background" and keep the description focused on costume and materials. Some models also respond to "character turnaround" or "model sheet".
Why do my character designs look generic?▾
Usually missing material and colour specifics. Name the materials (leather, brass, woven cloth), give a two or three colour palette, and describe the silhouette — generic words like "cool armor" produce generic armor.