Use the right-hand panel to tweak the Extrusion (depth) and Bevel properties.
I notice you're mentioning . While Xara 3D Maker (now often called Xara 3D Maker 7) is a legitimate lightweight tool for creating 3D text, logos, and animations, "Portable" versions of commercial software are almost always unauthorized cracks or pirated copies. Xara 3d Maker 7 Portable
Go to . Xara 3D Maker 7 offers multiple export formats depending on your project needs: Use the right-hand panel to tweak the Extrusion
Use the Style Picker to quickly copy attributes from any of the 700+ included examples to your new project. Essential Design Tools Xara 3d Maker 7 Portable
One high-value feature to develop for Xara 3D Maker 7 would be a Path-Based Animation Engine