In the Palette there's a Swap row: two colour pickers — a from and a to — with a Swap colour button beside them. Choose the colour you already painted, choose the colour you'd rather have, and press the button.
Every face currently painted the from colour repaints to the to colour at once. It doesn't matter whether those faces are one connected patch or scattered across the whole model — if it's that colour, it changes. One move, no clicking around the mesh, no hunting for the bits you missed.
- You changed your mind about a colour. The cloak's blue, you decide it should be green — swap blue for green and the whole cloak comes with it.
- You loaded a spool you don't have. Swap the placeholder colour for the real filament you're going to print with.
- Two parts ended up the same colour by accident and you want one of them moved off — swap it to something distinct.
- Matching a theme or a reference late. Recolour a whole element without re-doing the painting.
This is a flat, global recolour by colour. If you only want to change some of the faces that share a colour — say the left pauldron but not the right — don't swap. Paint those faces directly, or grow the new colour into just that area.
- Open the painter and load your painted model — or click Demo and lay down a couple of colours first.
- Find the Swap row in the Palette. It sits with your palette chips and has two colour pickers and a Swap colour button.
- Set the from colour — the colour that's on the model now and you want gone.
- Set the to colour — the colour you want in its place.
- Hit Swap colour. Every face of the from-colour repaints to the to-colour in one go.
- Not what you pictured? Press
Ctrl/Cmd + Zand the model snaps back to before the swap.
- It's one clean undo. A swap is a single action — one
Ctrl/Cmd + Zreverts the whole recolour, however many faces it touched. - Your palette stays put. The swap repaints faces; it doesn't delete chips. The from-colour is still in the palette afterwards — it just goes unused on the model. Tidy it up later from the palette if you like.
- To merge two colours into one, swap the colour you want to drop into the colour you're keeping. Both end up the same.
- Check before you slice. A swap can change how many colours actually appear on the model, which affects filament slots. Glance at the Layer preview and swap counter afterwards.
If you catch yourself clicking the same region over and over to recolour it, stop. If it's already one colour, a single Swap does the whole thing — and undoes in one step if you don't like it.