Dev:Ref/Release Notes/2.70/Modeling

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Blender 2.70: Modeling


Laplacian Deform Modifier

The Laplacian Deform modifier allows you to pose a mesh while preserving geometric details of the surface. The user defines a set of 'anchor' vertices, and then moves some of them around. The modifier keeps the rest of the anchor vertices in fixed positions, and calculates the best possible locations of all the remaining vertices to preserve the original geometric details.

  • Supports N-gons.
  • The Laplacian Deform Modifier can work fine with armatures, hooks or other tools that can transform anchored vertices.
Armadillo with hooks objects attach to vertices in blue color
Pose done by moving hooks only
Pose done by moving hooks only
Screw Modifier

UV support, vertex color. a31b4500936136eeeac3223464f5ea0bcd040331

  • When existing faces are available use their UV values.
  • When no faces are connected to an edge - generate UV's.

Also add option to stretch U/V to bounds.

Triangulate Modifier
  • New split methods for quad and ngon faces [manual]. (r60983)
    • Quad Methods: Beauty, Fixed, Fixed Alternate, Shortest Diagonal
    • Ngon Methods: Beauty, Polyfill
Bevel Modifier

The additions to the Bevel Tool (see below) are also available in the Bevel Modifier. The Vertex Group limit method also works for beveling edges now, not just vertex-only mode.

Wireframe Modifier

New wireframe modifier: The wireframe modifier allows you transform your mesh into a wireframe representation. Mesh faces are used to create wires with user defined thickness and materials. Click on the headline for a complete documentation of all options. Added in commit d5263c37faf73d0f6cc2466ac0806fef972119fb

The wireframe modifier in action
Boolean Modifier

Boolean modifier was re-written in a way so now it does support NGons and it also preserves edges custom data (such as seam and crease). It might behave slightly slower now depending on particular mesh topology.

NGon Tessellation

NGon filling now uses an ear-clipping method which has some advantages over the previous method.

  • Guaranteed to fill the entire face, even in degenerate cases (no holes).
  • Faster for polygons < 100 vertices.
  • Ear-clipping gives more even distribution of triangles.
  • Rotating the geometry won't change topology.


2.69 ngon tessellation
2.70 ngon tessellation

Note: Blend files which use non-flat ngons may notice the tessellation looks different, Neither the old or new tessellation methods took non-flat polygons into account, any improvement or degradation here is incidental, however its worth noting that non-flat ngons don't always give predictable results and should be avoided in general.


  • Method for measuring bevel amount now has choices, available via a dropdown on the tool shelf:
    • Offset - old method, offset of new edge from old along sliding face
    • Width - width of new bevel face (if segments=1)
    • Depth - amount a chamfering plane moves down from original edge
    • Percent - percent of way sliding edges move along their adjacent edges
  • New Profile parameter to control the concavity / convexity of the profile
    • < 0.25 means concave inward, .25 means straight, .5 means circular (default), and 1 means straight along original sides
Profile Parameter effects
  • Now cut through (Shift-K) works better: it can create vertices in the middle of faces, the way non-cut-through already did
  • New option to Knife Project to cut through the mesh
  • Vertex snapping now works for curve points and handles. (b0ff255b5538)
  • Dynamic topology now has an option to subdivide long edges, collapse short edges, or do both. (19089092739c)
Mesh Cleanup