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2D to 3D Voxel Modeler

Draw simple 2D shapes and watch them become 3D voxel models instantly — no experience needed, built for mobile.

What this tool does

A mobile-first voxel modeller with a thumb-friendly UI. Draw 2D shapes on the canvas, apply presets, and transform your creations into 3D models using the gizmo controls. Export as .OBJ for use in any 3D tool.

Who this is for

• Mobile users who want a simple 3D modelling experience
• Students new to 3D modelling
• Casual makers wanting to create simple printable objects
• Game designers sketching voxel assets on the go

How to use this tool

1. Draw a 2D shape on the bottom canvas
2. Tap 'Extrude' to create a 3D voxel block from your shape
3. Use the gizmo to move, rotate, and scale the block
4. Export .OBJ when finished

Inputs

• 2D drawing — Freehand or geometric shapes drawn on the canvas
• Presets — Preset shapes for quick starting points
• Gizmo transform — Move, rotate, scale in 3D space

Outputs

• OBJ file — Import into Blender, Unity, or any slicer for 3D printing

Example use cases

• Simple house — Draw a rectangle and triangle, extrude to make a house shape
• Voxel character — Build a blocky character body from a series of extruded shapes
• Custom stamp — Design a raised stamp shape for ink or clay use
• Quick prototype — Sketch a product concept in 3D while away from your desk

Related tools

• Voxel Forge Studio
• Draw 3D Space Mobile
• Isometric 3D Painter
• Create 3D Worlds

Frequently asked questions

▶ Does it work on iPhone and Android?

Yes — it's designed for mobile-first use on both iOS and Android browsers.

▶ Can I undo steps?

Use the undo button in the toolbar.

▶ What can I do with the OBJ file?

Import it into Blender for further work, or drop it into Cura/PrusaSlicer to print it.

▶ Is there a desktop version?

This tool works on desktop too — the mobile layout adapts well to mouse and keyboard.