STEP models from FreeCAD (opened in AD) had exactly the same colors as objects made in AD with the same RGB components values.Īs I understand in import/export process there is a color override mechanism. And that is the same color which is accessible for setting values through model parameters panel: View / Object Style / Shape Color.Īgain, with FreeCAD v.0.18 I did not have such problem. In Appearance settings this color is called "Diffuse". I do not mean "Appearance" or how they look at the screen, I mean the change of main color (which should not be changed, in my opinion). This helps alleviate the workflow problems created by proprietary design software. This data format is interchangeable between design programs. The STEP file extension created a standardized data format that finally allowed different CAD programs to play nice with each other.
Altium designer 20 import step model iso#
So the colors become completely different.Īnd similar color transformation occurs in reverse, when I import (open) in FreeCAD a STEP model exported from Altium Designer.īut in this case colors in FreeCAD, in opposite, become darker than they were in AD, RGB values are lower, and the relations between them are changed. Enter the ISO 10303 standard on CAD model formats. But it turned out that relations are also changed. In the beginning I thought that colors in STEP just got lighter (multiplied by some coefficient) keeping same relations between RGB values. STEP models from FreeCAD look much lighter (brighter). In the bottom row are 3 cubes made in Altium Designer directly with the same RGB values.Īs you can see the colors in upper row (FreeCAD) and bottom row (AD) are altogether different. Upper one is this STEP file from FreeCAD. In attached picture Cubes_AD.png you can see 2 rows of cubes.
Altium designer 20 import step model download#
Millions of users download 3D and 2D CAD files everyday. Then I export all 3 cubes into STEP file and open it in Altium Designer (add them on the PCB surface). Dassault Systèmes 3D ContentCentral is a free library of thousands of high quality 3D CAD models from hundreds of suppliers. The RGB values for each cube are as follows: In attached picture Cubes_FreeCAD.png you can see 3 cubes as they look on the FreeCAD screen. Here is a simple example of how it looks. I use STEP models made in FreeCAD for my Altium Designer projects. Wile using version 0.18 I did not see such a problem. This problem began from FreeCAD version 0.19, and version 0.20 still has it. I mean the case when you open them in a different program (if you import those STEPs back in FreeCAD colors would be the same).īut opened with another program, colors do not just look differently at the screen, they have different RGB values. Does anyone notice that colors in STEP models exported from FreeCAD are wrong?