You can download In2Space 1.04 for Mac from our application library for free. The actual developer of this software for Mac is PRD Software. The application lies within Design & Photo Tools, more precisely 3D Modeling.
From the developer:
In2Space has been designed as a complementary partner to PowerCADD providing easy transition from 2D into 3D.
You may want to check out more Mac applications, such as TkMatMan, 3D-Coat-V3 or JMRI, which might be similar to In2Space.