ClearPaint3d

Paint your 3D models
with perfect precision.

No bleeding. No frustration. Just clean, accurate results —
ready for your slicer.

Upload a STL or 3MF, select zones with the magic brush and assign colors. Export in one click for OrcaSlicer or Bambu Studio — split into colored parts, ready for AMS.

⚡ 100% in browser 🖌 Magic Brush 🔧 Gap Filler ✨ Smooth Edges 🎨 Color Palette 📦 OrcaSlicer 3MF Export 🐼 Bambu Studio 3MF Export

Plans & Pricing

Free
€0
Forever free
✓ Paint 3D models
✓ 1 export 3MF / month
✗ No cloud save
POPULAR
Basic ⭐
€5/mo
Billed monthly
✓ Paint 3D models
✓ 20 exports 3MF / month
✗ No cloud save
Pro 🚀
€7/mo
Billed monthly
✓ Paint 3D models
✓ Unlimited 3MF exports
✓ Priority support

How to use ClearPaint3d

1
🖌 Magic Brush — paint your model

Load your 3MF or STL file and select a color from the palette. The Magic Brush paints entire surface regions at once using a smart flood-fill algorithm — no need to trace edges manually.

Tolerance
Controls how aggressively the brush spreads across adjacent faces. Low values = precise edges. High values = larger regions painted in one click.
Brush Size
Sets the radius of the selection area on the mesh. Larger brushes are great for broad fills; smaller brushes give fine detail control.
Angle Threshold
Limits spreading to faces whose normals differ by less than this angle. Useful for painting only flat surfaces or only curved ones.
Color Target
Restrict filling to faces that already have a specific color. Combine with Tolerance to repaint only one region without touching the rest.
2
🔧 Gap Filler — fix unpainted faces automatically

After brushing, small gaps or isolated faces may remain uncolored. Gap Filler scans the entire mesh and automatically assigns each unpainted face the color of its nearest painted neighbor — no manual touch-up needed. Run it any time with a single click.

3
✨ Smooth Edges — clean the color boundaries

Color transitions between regions can look jagged at the triangle level. Smooth Edges softens those boundaries by blending the colors of border faces with their neighbors, producing cleaner, more natural-looking transitions — especially visible after slicing.

4
📦 Export & import in your slicer

When you're happy with the result, export your model as a 3MF file (OrcaSlicer or Bambu Studio format). The file embeds all color assignments directly — no extra steps required.

⚠️
Important — drag the file directly into the slicer
To load the colors correctly, you must drag the exported 3MF file directly into the OrcaSlicer or Bambu Studio window. Do not use File → Open or double-click the file — doing so will import the geometry only and the colors will not be loaded. Drag & drop is the only method that triggers the full multi-material import.

Video tutorials

Coming soon
Getting started — Basic guide
Load a model, use the brush and export
Coming soon
Export for Bambu Studio
Import the 3MF file with automatic colors
Coming soon
Advanced magic brush
Selection by curvature, edges and planar zones
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