Forma3D

Forma3D is a convenient 3D editor for iPhone and iPad that lets you quickly prepare models for 3D printing right on your device.

Create objects from scratch, edit shapes with precise tools, and export results to STL for your slicer. The interface is beginner-friendly while providing advanced tools for accurate model refinement.

Forma3D Features:

Primitives: Create cubes, spheres, cylinders, tori, pyramids, planes, and tubes—with soft/smooth variants for organic shapes
STL Support: Import STL files and export entire scenes to STL
Precise Transformations: Position, rotation, and scale with exact controls
Boolean Operations: Union and subtract for combining shapes
Manifold Cut CSG: Slice with line, rectangle, ellipse or just draw a tool, perfect cutline, ready to print.
Mesh Editing: Edit vertices, edges, and faces directly
Selection Tools: Single, rectangle, oval, brush, and multi-selection
X-Ray Mode: Adjustable transparency and wireframe overlay
Scene Navigation: View cube, frame to selection, and camera settings
Object Management: Undo/redo, duplicate, delete, and object list
Forma3D helps you go from idea to ready-to-print STL faster and simpler—without complex desktop software pipelines.