IDA-STEP v4.5.x

Main enhancements:

• support of new AP242 "Managed Model Based 3D Engineering" (ISO/CD 10303-242) for both import and export
• support of new GD&T capabilities of AP242 with respect to ASME Y14.5-2009, ISO 5459:2011 and ISO 1101:2011, including:

• new object datum-system that can be shared by many geometric tolerances
• new modifiers for tolerance (2nd compartment) and datum references

• new toolbars and improved menu entries for creation of GD&T elements and constructive geometry
• keyboard accelerators
• free text annotations
• many improvements on creation and modification of annotations
• use mouse wheel for zooming and panning

IDA-STEP v4.5.0 (2011-12-02)

Besides many minor fixes the following enhancements are implemented.

Detailed GD&T editing imporvements, including:

• spherical diameter
• cone angle
• free text on geometric tolerances

IDA-STEP v4.5.1 (2011-12-22)

Various bug fixes only