See color values in real-time using the camera or convert photos to grayscale. Measure lightness of specific points. Apply grayscale filters for sketching. Helps with grayscale art and contour line practice.
Simulate bicycle, cart, and wagon structures with adjustable wheel sizes. Adjust wheel dimensions to match each structure for accurate movement. Test mechanical relationships between wheel size and structural design.
Study for CDL tests with interactive flashcards, quizzes, and 3D virtual truck models. Access practice exams and track progress. View detailed explanations for answers. Sync study sessions across devices.