SimplexGen

Help Center

Build, edit, paint, and export 3D assets in SimplexGen.

Use this page for the core editor flow, navigation controls, mesh operations, generation tools, and common fixes.

Quick Start Keyboard Shortcuts Mesh Tools Troubleshooting

Quick Start

  1. Open the editor from the homepage or choose a generator from Tools.
  2. Create a model with a text prompt, upload an image for image-to-3D, or import an existing mesh.
  3. Select the object in the viewport or scene list, then use the toolbar to move, rotate, scale, simplify, paint, or sculpt.
  4. Use export when the mesh is ready. GLB is the best default for web and product previews; STL is useful for print workflows.
If you followed an in-app Help link, this is the expected destination for /help#quick-start.

Generation

SimplexGen supports text-to-3D, image-to-3D, AI image generation, texture generation, material maps, relighting, and remeshing workflows.

  • Use detailed prompts with shape, style, materials, and intended use.
  • For products, include front/back/side details and material constraints.
  • For image-to-3D, use centered images with clear object silhouettes.
  • Generated jobs can be queued; account credits and API keys are managed in Account.

Mesh Tools

Mesh tools help make generated or uploaded geometry usable for editing, rendering, and export.

Simplify

Reduce triangle count while preserving the visible shape and repaired topology where possible.

Subdivide

Add mesh density before sculpting or deformation when a model needs smoother local detail.

Repair

Fix holes, duplicate vertices, degenerate faces, and common non-manifold issues.

UV and Texture Tools

Generate UVs and material maps for painting, previewing, and export workflows.

Paint and Sculpt

Texture painting edits color and material maps. Sculpting and deformation change geometry. Use undo to step back through brush strokes and transformations.

  • Brush size controls the affected surface area.
  • Auto-subdivision can add detail during deformation when the mesh is too coarse.
  • Viewport movement resumes as soon as the active brush stroke or transform drag ends.

Export

Export formats depend on where the model will be used.

  • GLB: compact web-friendly format with geometry, materials, and textures.
  • OBJ: broad compatibility for DCC tools and asset pipelines.
  • STL: geometry-only format commonly used for 3D printing.

Keyboard Shortcuts

Shortcut Action
WASD Move camera through the viewport when the viewport has focus.
Q / E Move camera down or up.
Right mouse drag Look around from the current camera position.
Ctrl + Z Undo the latest supported edit.
Ctrl + Y Redo the latest undone edit when available.
Delete Delete the selected object.

Troubleshooting

Help link opens a missing page

Use /help#quick-start. The server should return this page and the browser will scroll to the Quick Start section.

Movement does not respond

Click inside the viewport first. If you are painting, sculpting, deforming, or dragging a transform gizmo, finish that action and movement will resume.

A generated model looks too dense or too rough

Try simplify for dense meshes, subdivide before sculpting coarse meshes, and repair before export if topology warnings appear.

Exports are missing textures

Prefer GLB for textured models. OBJ and STL workflows may require separate texture or material files depending on the target app.