3DForge

Mesh Modeller

Version 0.5

Click to start

© 2026 by Dieter Meiller

Orbit

Grid

units (0 = off)

New object

Color:

Select

Intersect (also partly covered)

Loop (select edge loops)

Click, or drag a rectangle / circle / lasso (shape buttons). Shift/Ctrl+click toggles, Shift/Ctrl+drag extends (with Set).

Selected

Mirror: X Y Z

Chamfer width:

Bool

Add (A + B)

Subtract (A − B)

Hide edges

Max. angle: °

Edges between faces with a smaller angle disappear (faces are merged).

Array

Copies:

XYZ Offset Rot ° Scale

Local

Each copy applies the offset, rotation and scale factor once more than the previous one.

Merge

Boolean union

Off: the objects are joined into one mesh unchanged. On: overlapping volumes are fused and interior geometry is removed (needs closed meshes).

Lattice

Click a control point, then drag it with the Move gizmo. Reset closes the lattice without applying.

Remesh

Fineness:

Approx. number of edges along the longest side of each object. Higher = finer. Interior geometry is removed (skin only). Sharp edges are kept; face colors are transferred.

Transformations

XYZ Pos Scale Rot °

Color:

Face color:

Objects

Controls

View
Middle mouse drag: orbit around the orbit center · Shift+middle drag: pan · Ctrl+middle drag or wheel: zoom
F: center view on orbit center · Orbit buttons (top right): rotate around origin or selection
Fly: hold right mouse button + W/A/S/D to move, E/Q up/down, Shift faster, drag to look around
Objects
Create: choose Box / Sphere / Ico Sphere / Cylinder / Tube / Cone / Torus / Plane, set its parameters in the panel, then click the ground or an object face to place it. The last created object is selected.
Select: click an object in the view or drag a rectangle, circle or lasso (Select tool; mode Set / Extend / Subtract in the panel; “Intersect” also selects partly covered items) or click it in the object list (double-click a list entry to rename it). Use the gizmo to move / rotate / scale; the grid field sets the snap step (0 = continuous).
Del: delete · Ctrl+D: duplicate · Esc: deselect · Ctrl+Z / Ctrl+Shift+Z: undo / redo
Shortcuts
1: Select · 2–9: Box / Sphere / Cylinder / Tube / Plane / Cone / Torus / Ico Sphere · W / E / R: Move / Rotate / Scale · X: gizmo global / local · Tab: edit mode
File menu: load / save JSON (lossless); import / export 3DS, OBJ, STL, glTF/GLB.

Edit mode

Enter / leave: select an object, press Tab or click “Edit”. Esc clears the selection, a second Esc (or Tab) leaves edit mode.
Sub-objects: 1 / 2 / 3 or the flyout: Vertices / Edges / Faces. Click selects, Shift+click toggles, A selects all. The gizmo moves, rotates or scales the selection.
Vertices – Add: click a face or edge to insert a point (Enter toggles insert mode).
Edges – Add: select exactly two points of the same face; Enter connects them with a new edge and splits the face.
Faces – Add: Enter extrudes the selected faces.
Remove (Del): deletes selected vertices, edges (merges the faces) or faces. Disabled while nothing is selected.
Chamfer (B): bevels the selected edges; the width is set in the panel. Only edges between two faces are chamfered; faces with holes or interior points are rejected.
Subdivide (Shift+D): refines the selected faces (and their mirrored counterparts) with Catmull-Clark subdivision. Only available in face mode with faces selected; the new faces stay selected so it can be repeated. Edges to unselected faces keep their shape.
Mirror X / Y / Z (panel): repeats every edit on the opposite side of the object's local plane. Several axes can be combined. With Faces – Add only the edited side stays selected.
Face colour: with faces selected, the panel shows a colour field for just those faces (Reset restores the object colour).
Selected edges are drawn as thick orange lines.

Keyboard shortcuts

Ctrl also means Cmd on macOS. Hover over any button to see its shortcut. Other import/export formats (OBJ, STL, GLB, 3DS) are reachable via the File menu only.