You're experiencing issues with Osnaps in Intellicad Pro when trying to dimension 3D elements. Since it works well in Progecad, it might be a compatibility issue with Intellicad. If you need further assistance, please share the drawing for a closer look!
rice purity test quiz

Prevent multiple macros from running simultaneously to avoid interrupting the active macro's execution. Consider using a flag or lock to disable other macro buttons while a macro rice purity test is running.